CRHS Academic Chemistry. UNIT 10- Reduction/Oxidation. Reactions & Electrochemistry NOTES

Size: px
Start display at page:

Download "CRHS Academic Chemistry. UNIT 10- Reduction/Oxidation. Reactions & Electrochemistry NOTES"

Transcription

1 Name Period CRHS Academic Chemistry UNIT 10- Reduction/Oxidation Reactions & Electrochemistry NOTES Quiz Date Exam Date Lab Dates Notes, Homework, Exam Reviews and Their KEYS located on CRHS Academic Chemistry Website:

2 Page 2 of 12 Unit 10 Notes 10.1 OXIDATION NUMBERS Oxidation-Reduction " Reactions) - reactions in which Oxidation number- // In the past, we looked at group # on periodic table to find # of valence electrons, then used the octet rule to determine # of electrons lost or gained. Element S Li AI Mg Br # of valence e e lost or gained o oxidation # However, the majority of elements can have (Y/(ÿ%{ÿ, ; ÿ, ÿ i',,' +L numbers (remember the transition metals!) <) oxidation The following oxidation numbers are considered FIXED: All elements in free state have an oxidation number of All diatomic molecules (H2, 02, F2, BF2, 12, N2, CI2) in free state have an oxidation number of Group 1 and 2 metals and aluminum (AI) are always as indicated on the periodic table Oxygen is... ÿ in a compound {except peroxides) > Hydrogen is almost always "ÿ ( in a compound, except when bonded to metal, then <1 Rules: 3 examples with CI el: - t:t:) KCI KCIOÿ More Practice - Assign oxidation numbers to ALL of the elements in each of the compounds or ions below. FeO CuCI2 'AIF H2SO4 H3P03 NO2-

3 10.2 THE MEANING OF OXIDATION AND REDUCTION Unit 10 Notes Page 3 of 12 Oxidation - --,,)I4 04 ÿ ÿv)ÿ;ÿ?, LEO goes Reduction GER (-_ÿ1 ÿ Ot' '?[('" ' > / /" _'_W_-'r, c.. e /:\ i t.. < All _ÿ')'-ÿ.'i Aÿ, 1" OÿX reactions are paired with a Lÿ.c)'-b{- by the reactant that is ()V'ÿ i;/ÿ! is 'ÿ,<;'ÿittÿa.ÿ ÿ' {-/ÿfiÿ reaction. Electrons that are by the reactant that is f redox reaction: REDOX: Mg + S --> MgS Oxidation Half Reaction:,,' r L t /... ' ÿ, /' k2 Reduction Half Reaction: c <, ", The two reactions above are called 01 i, / Mg,0..ÿ I < e-to become the Mg2+ cation. 2 S fj <ÿ.ÿ j.,ÿ. ÿ-i... e-to become the Sÿ anion. ReducinAaÿent - the reactant that gives up electrons Mg is the reducing agent and is oxidized,(reducing agent is ALWAYS the reactant in oxidation halfreaction) Oxidizing agent - the reactant that gains electrons S is the oxidizing agent and is reduced (oxidizing agent is ALWAYS the reactant in reduction halfreaction)

4 Page 4 of 12 Unit 10 Notes f'o O Practice 1: 4AI > 2 AI203 Oxidation half-reaction: q/',,("... V Reduction Half Reaction: Reducing Agent: /ÿ1? ( Oxidizing Agent: Practice 2: 4-,, :' #ÿ ['? "4 2AgNOa + Ch --+ Cu(NO3)2 + 2Ag Oxidation: (({b.ÿl, ().(' ÿ';) ( ÿ ÿ'ÿ Reduction' ÿ % ÿ.ÿ ÿ'ÿ, O ÿ,. ÿ/)/i % Reducing Agent:(/ ) Oxidizing Agent: How do I recognize a '!"d t (V'ÿ'z reaction? The i t' NOTE! --> NEVER redox! reactions and reactions are Practice 3: Which of the following reactions represent Redox reactions? /.j, I//1 2KN03 (s) -> 2 KNO2(s) + 02 L//zz H2(g)+ CuO(s)-> Cu(s)+ H20 NaOH (aq) + HCI-> NaCI + H20 /\)0 5. H2(g) + CI2 - > 2 HCl(g) SO3(g) + H20(I) -> H2SO4

5 Unit 10 Notes Page 5 of APPLICATIONS OF REDOX REACTIONS The branch of chemistry that deals with electricity related applications of oxidation-reduction reactions is called ÿlÿc:ÿo c'ÿ+,ÿ+ÿ+<:;t ÿ+ÿ. Electrochemical Cell - any device that converts ÿ+,k/ÿ,f?//ÿ? [ energy into ÿ, ÿ r ÿ ÿ" ÿ ÿ or vice versa. Electrochemical cells ÿ 0,!ÿ)'('. 0ÿ, t - + oxidation half reactions from reduction half reactions so that the energy produced or required is electrical energy and not heat. energy Two general types of electrochemical cells: ;ÿ" 10Sil 6 I,ÿ ÿ ÿ' Cells.! [+ iÿ (, Cells and Voltaic or Galvanic Cell - Spontaneously converts (-!/ÿ,,..[ÿ,':4iti,'czÿ i energy into 'ÿ/'!+ energy (using ). Applications - ( 3 ÿ, I (>I++"!,ÿ%+ Basic parts of a voltaic cell 1. 2 ÿjÿ ÿk ÿ'ÿ - C -ÿ I,t % -each has a (t(+'(i(k t I+++ immersed in a 'ÿ++t? ti!jf!iÿ:+iÿ a. b. 2, },,ÿ;ÿ,ÿ ÿ!ÿ +ÿ This is where separate oxidation / reduction reactions take place., -the electrode where [)ÿi ÿ;'ÿ!ÿ!ÿ,i IWI,ÿ takes place (lose e) - the electrode where!ÿ( I( 1ÿ'ÿ! j:,ÿ I 'I takes place (gain e-) - a solution of ions that conducts e- '(;+ ij' +++, ÿ+i(+,+,;ÿ+++ÿ, +/",, ++:+ÿ+ +! ÿ:...,+,,?++i+ +(,., 5

6 Page 6 of 12 "ÿ> 4. / l'l 'ÿi'/'(ÿ 3. Unit 10 Notes -a pathway constructed to allow ions to pass from one half-cell to another, filled with an electrolyte (i. v,,'{'ÿcÿ', i, metal wire- carries electrons ((i.(,) ((.fÿ tÿ )from ÿ F) O(!' to (d4.tÿt()(ÿ'ÿ:' Example: zinc-copper voltaic cell Zn + Cu2+ > Zn2+ + Cu Two half-reactions for redox: Oxidation: 2ÿ.//r, :2> "2 Vÿ 'ÿ'( / ;?C" Reduction { ÿ) ÿ' ÿ f 2(ÿ 'ÿp(ÿ)-ÿ ÿ ''ÿ,t!,ÿ,, -ÿ "ÿ, Anode(... ql(t V' ÿd//'lo l )where ÿg,/cÿ<{/r)ÿi takes place is anode (1 h.ÿ, ',, <'ÿ ;ÿd,ltÿ ',,,, piece of ÿy,, /{ÿ'. {,q t atoms of ÿ2_v,,,,>,i Vvt(' 0, l J : 2,... is immersed in '2 ÿ 2,,},,,ÿ shorthand for this half-cell reaction is Z.vi ÿ ÿ" ÿ', :;ÿ' singl"el " ts Cathode (!ÿ(i'iÿ'ÿ'ÿ'vli, )where!2ÿ 'il ÿ, ÿ' ÿ ÿ,"/ e (a) is cathode (Gÿvÿ,"? b" ÿ,ÿ't, piece of () is immersed in atoms of o shorthand for this half-cell reaction is d,\ takes plac ÿt'7i:/! i:ii Electric Cell Potential How do we measure how "strong" an electrochemical cell is? Electric potential, Ece,- a measure of the cell's ability to i)ÿ' OC!ÿ ÿi,ÿ? Units are \[ÿ) t, ÿ oÿ,!ÿ ÿ7" Use table of relative Standard Reductions Potentials on Page 9 to calculate E cell, where E cell = E0red - E0oxid

7 Unit 10 Notes Page 7 of 12 Standard aedunon Potontials at 25% (298 K) for Many Common Half-reactions Half-reaction "ÿ; (V) F[alf-reacdon Fz + 2e F Ag2++ e- ÿ Ag Coÿ+ + e- -+ Co H202 q- 2bt+ + 2e Ce4+ + e= --+ Ceÿ' PbO2 + 4H+ + SO42- q- 2e- -+ PbSO4 + 2H MnO4- + 4H+ +.?,e " MnO2 + 2H IO4- + 2H + 2e- ÿ IQ- + HzO 1,60 MnO4- + 8H+ + 5e- -+ Mna+ + 4H20 1,51 Atrÿ+ + 3e- -+: Au!ÿ50 PbOz+4H++ 2e- -+. Pb2++2H CIa + 2e- -+' 2C.I Cv H+ + 6e C:rÿ+ + 7[ {92 + 4H+ + 4e- ÿ 2H MnO2 + 4H+ + 2e- + NIl H20 1ÿ ÿ- +6H+ + 5e- -+ ÿ}12-f ÿh2{) 1,20 Br, + 2e- --> 2gr VO e= + VOz+ +I= (} AuCI4- + 3e- + Au + 4C NOÿ,- + 4H + 3e- ÿ NC} + 2H20 0,96 C[O2 + e- --ÿ,, C]Oÿ- (I.ÿJ54 2Hgz+ + 2e- ÿ H:d Ag+ +,.'- ÿ A'g c- -ÿ-!hg (I,:ÿ(I Fe;ÿ+ + e- -+ FX' O2 + 2H+ + 2e- -+ H2()2 (1.68 N'[I104-q-,:- -+ i\411(}42-0,56 lz + 2e- -+ 2I Cu+ + e= ---> Cu 0.52 AgCI + e Ag + CI= SO42- q- 4H+ + 2e ÿSOÿ. + Iq20 Cu2++ e Cu+ 2H+ + 2e- --+: [42 Fe'ÿ+ + 3e- -+' Fe Pb2+ + 2e Pb Sn2+ + 2e- --+ Sn Ni2+ + 2e- -+. Ni PbSO4 + 2eÿ -+ Pb + S(])42- Cd2+ + 2e- -+ Cd Fe2 + 2e Fe CI'ÿ+ + e- --> El'2+ "2T ; + 2ow M e- ÿ MI1 AIÿ+ + 3e- ÿ AI H2+2e- + 2H- Mg2+ + 2e ÿ Mg [.aÿ* + 3e- ÿ [;/ Na + -kc- --<. Na Ca1+ + 2e- --> Ca Baÿ+ + 2e- --+ Ba K++e- --> K [,i++e- -+ Li 0, , , , "= ,,,ÿ - l,lÿ -[ÿ o.2.ÿ ÿ Example: Calculate standard cell potential, E cell, for the Zn-Cu electrochemical cell: E red(cu+2+2e-1--+cu) minus -- 8, / E oxid (Zn --> Zn+2 + 2e-1) equals l, E cell, then reaction is,spo< )q ous I, then reaction is NOTE: Do not multiply Standard Reduction Potentials by coefficients of balanced redox reactions. 7

8 Page 8 of 12 Unit 10 Notes Example: Ni + Mg2+ _> Mg + Ni2+ a) Write the 2 half reactions and label as oxidation or reduction... 0,:,'ÿ; ti b) c) Calculate E cell Is this,v(?eaction spontaneous?... - " ' Practice 1: 2 Ag + Fe 2+ ÿ 2 Ag + + Fe a) Write the 2 half reactions and label as oxidation or reduction -.los,..... C)ÿ7</ Is this redox reaction spontaneous?.,:... 1,1';< \ l<fÿ " i.,,..o,+,j.+,(ÿ ÿ ;'"ÿ<ioo lÿj;' U \, 1 Practice 2: Given a voltaic cell constructed using the foiiowing half-reactions Cu e- ----> Cu AI e- ----> AI E cu = V E AI = -1,66 V a) b) c) Calculate E cell :I:' i::ÿ(l " Is this redox reaction spontaneous? What metal will anode??// >, What metal will be cathode?

9 Unit 10 Notes Page 9 of 12 Electrolytic Cells If electrical energy is required to produce a redox reaction and bring about a chemical change in an electrochemical cell, it is an <ÿ tÿ (ÿ ÿd ÿ ÿ c ÿj cell. The redox reaction in an electrolytic cell is ÿ:)at'ÿ,' i (7 71 ÿ,(ÿ)<ÿ,of the voltaic cell, and is essentially the Voltaic/Galvanic Cell vs Electrolytic Cell 0,74 V power supply voltmeter Cd anode, (+) i Cu cathode Cd cathode (+) Cu, anode 1 MCd21 //' 1 M CLI2t ] M CU2t anode: cathode; cathode: anode; Cd(s) ÿ Cd2+(acl) + 2e- Cu2*(aq) + 2e -> Cu(s) Cd2+(aq) + 2e---ÿ Cd(s) Cu(s) ÿ Cu2*(aq) + 2e Overall reaction: Cd(s) + Cu2ÿ(aq) -ÿ Cd2+(aq) + Cu(s) (a) Galvanic cell Overall reaction: Cd2+(aq) + Cu(s) -ÿ Cd(s) + Cu2+(aq) (b) Electrolytic coll Applications fl)r each include /

10 Page 10 of 12 Unit 10 Notes

11 Unit 10 Notes Page 11 of 12 Common Polyatomic Ions List Name Ion acetate C2H3OZ or CH3COO- hypochlorite CIOammonium NH4 nitrate NO3- carbonate CO32- nitrite NO2- chlorate CIO3- perchlorate CIO4- chlorite CIO2- permanganate MnO4- chromate CrO42- phosphate PO43- cyanide CN- phosphite PO33- dichromate Cr2072- silicate SiO32- hydrogen carbonate HCO3- sulfate SO42- hydroxide OH- sulfite SO32- i = I 2 = II 3 =III 4 = IV 5 = V 6 = VI Metal Lltlflum Poÿabslum Barkml Caldum Sod ILlm Nagneslum Alurnlnu m Hanganese Zinc Chromium Iron Cobalt Nickel Tin Lead (Hydrogen) Copper MeFcury Silver Platinum Gold 11

12 Page 12 of 12 Unit 10 Notes, ÿ ÿ ÿ:ÿ ÿ ÿ+g: +o ÿ0 ÿ+ ÿgÿ ÿ ÿ oÿ fi cÿ L) E cÿ O CD CO +ÿ "+ m +++,- i +i O q' 1:2, n2 - I?X.+,t) rd % '? 0"1 'ÿ2 N r,9 5 _1 <D ÿ O.J CO "++Jr LO ÿ2ÿ r", r- rÿ +0 '+d J +++J

UNIT 10 Reduction/Oxidation Reactions & Electrochemistry NOTES

UNIT 10 Reduction/Oxidation Reactions & Electrochemistry NOTES Name Period CRHS Academic Chemistry UNIT 10 Reduction/Oxidation Reactions & Electrochemistry NOTES Quiz Date Lab Dates Exam Date Notes, Homework, Exam Reviews and Their KEYS located on CRHS Academic Chemistry

More information

Information Required for Memorization

Information Required for Memorization Information Required for Memorization Your students are required to memorize the following information for Chem 10. This information must not be supplied on Cheat Sheets for your Semester Exams or Final

More information

Unit #8, Chapter 10 Outline Electrochemistry and Redox Reactions

Unit #8, Chapter 10 Outline Electrochemistry and Redox Reactions Unit #8, Chapter 10 Outline Electrochemistry and Redox Reactions Lesson Topics Covered Homework Questions and Assignments 1 Introduction to Electrochemistry definitions 1. Read pages 462 467 2. On page

More information

Oxidation & Reduction (Redox) Notes

Oxidation & Reduction (Redox) Notes Oxidation & Reduction (Redox) Notes Chemical Activity (or Chemical Reactivity) is the measure of the reactivity of elements. If an element has high activity, then it means that the element is willing to

More information

Chapter 17. Oxidation-Reduction. Cu (s) + 2AgNO 3(aq) 2Ag (s) + Cu(NO 3 ) 2(aq) pale blue solution. colorless solution. silver crystals.

Chapter 17. Oxidation-Reduction. Cu (s) + 2AgNO 3(aq) 2Ag (s) + Cu(NO 3 ) 2(aq) pale blue solution. colorless solution. silver crystals. Chapter 17 Oxidation-Reduction Cu (s) + 2AgNO 3(aq) 2Ag (s) + Cu(NO 3 ) 2(aq) copper wire colorless solution silver crystals pale blue solution Introduction to General, Organic, and Biochemistry 10e John

More information

http://redoxanswers.weebly.com REDOX LESSON LEARNING GOALS http://redoxanswers.weebly.com Lesson 1: Introduction to Redox Relate to examples of oxidation-reduction reactions in the real-world. Understand

More information

Unit 8: Redox and Electrochemistry

Unit 8: Redox and Electrochemistry May 20, 2014 Unit 8: Redox and Electrochemistry http://www.firefly.org/firefly-pictures.html Oxidation Number numbers assigned to atoms that allow us to keep track of electrons. Rule #1: Oxidation number

More information

Oxidation-Reduction Reactions and Introduction to Electrochemistry

Oxidation-Reduction Reactions and Introduction to Electrochemistry ADVANCED PLACEMENT CHEMISTRY Oxidation-Reduction Reactions and Introduction to Electrochemistry Students will be able to: identify oxidation and reduction of chemical species; identify oxidants and reductants

More information

Chapter 5 Ionic Compounds. Classification of Compounds. Chemical Nomenclature

Chapter 5 Ionic Compounds. Classification of Compounds. Chemical Nomenclature Chapter 5 Ionic Compounds Classification of Compounds Chapter 5 2 Chemical Nomenclature The term nomenclature come from the Latin word meaning calling by name. Chemical Nomenclature is a system for naming

More information

Practice Exam Topic 9: Oxidation & Reduction

Practice Exam Topic 9: Oxidation & Reduction Name Practice Exam Topic 9: Oxidation & Reduction 1. What are the oxidation numbers of the elements in sulfuric acid, H 2 SO 4? Hydrogen Sulfur Oxygen A. +1 +6 2 B. +1 +4 2 C. +2 +1 +4 D. +2 +6 8 2. Consider

More information

Ionic Compound Solubility. Ionic Compound Solubility. Nitrates (NO 3 - ) Chlorates (ClO 3 - ) Ionic Compound Solubility. Ionic Compound Solubility

Ionic Compound Solubility. Ionic Compound Solubility. Nitrates (NO 3 - ) Chlorates (ClO 3 - ) Ionic Compound Solubility. Ionic Compound Solubility Nitrates (NO 3 - ) Chlorates (ClO 3 - ) Perchlorates (ClO 4 - ) Acetates (C 2 H 3 O 2 - ) Alkali Metal Compounds (Li +,Na +,K +,Rb +,Cs + ) Ammonium Compounds (NH 4 + ) Chlorides (Cl - ) Bromides (Br -

More information

SCHOOL YEAR CH- 19 OXIDATION-REDUCTION REACTIONS SUBJECT: CHEMISTRY GRADE: 12

SCHOOL YEAR CH- 19 OXIDATION-REDUCTION REACTIONS SUBJECT: CHEMISTRY GRADE: 12 SCHOOL YEAR 2017-18 NAME: CH- 19 OXIDATION-REDUCTION REACTIONS SUBJECT: CHEMISTRY GRADE: 12 TEST A Choose the best answer from the options that follow each question. 1. During oxidation, one or more electrons

More information

Stoichiometry Practice Problems

Stoichiometry Practice Problems Name Period CRHS Academic Chemistry Stoichiometry Practice Problems Due Date Assignment On-Time (100) Late (70) 9.1 9.2 9.3 9.4 9.5 Warm-Up EC Notes, Homework, Exam Reviews and Their KEYS located on CRHS

More information

Chapter 19: Oxidation - Reduction Reactions

Chapter 19: Oxidation - Reduction Reactions Chapter 19: Oxidation - Reduction Reactions 19-1 Oxidation and Reduction I. Oxidation States A. The oxidation rules (as summarized by Mr. Allan) 1. In compounds, hydrogen has an oxidation # of +1. In compounds,

More information

Unit 5 Part 2: Redox Reactions and Electrochemistry

Unit 5 Part 2: Redox Reactions and Electrochemistry Unit 5 Part 2: Redox Reactions and Electrochemistry Oxidation Numbers Oxidizing and Reducing Agents Balancing Redox Reactions Acidic solutions Basic solutions Galvanic Cells Nernst Equation This reaction

More information

5072 CHEMISTRY (NEW PAPERS WITH SPA) BASIC TECHNIQUES 5067 CHEMISTRY (NEW PAPERS WITH PRACTICAL EXAM) BASIC TECHNIQUES

5072 CHEMISTRY (NEW PAPERS WITH SPA) BASIC TECHNIQUES 5067 CHEMISTRY (NEW PAPERS WITH PRACTICAL EXAM) BASIC TECHNIQUES 5072 CHEMISTRY (NEW PAPERS WITH SPA) BASIC TECHNIQUES 5067 CHEMISTRY (NEW PAPERS WITH PRACTICAL EXAM) BASIC TECHNIQUES LEARNING OUTCOMES a) Be able to write formulae of simple compounds b) Be able to write

More information

Oxidation-Reduction Review. Electrochemistry. Oxidation-Reduction Reactions. Oxidation-Reduction Reactions. Sample Problem.

Oxidation-Reduction Review. Electrochemistry. Oxidation-Reduction Reactions. Oxidation-Reduction Reactions. Sample Problem. 1 Electrochemistry Oxidation-Reduction Review Topics Covered Oxidation-reduction reactions Balancing oxidationreduction equations Voltaic cells Cell EMF Spontaneity of redox reactions Batteries Electrolysis

More information

UNIT 12 Chemical Bonding. Practice Problems

UNIT 12 Chemical Bonding. Practice Problems Name Period CRHS Academic Chemistry UNIT 12 Chemical Bonding Practice Problems Due Date Assignment On-Time (100) Late (70) 12.1 12.2 12.3 12.4 12.5 Warm-Up EC Notes, Homework, Exam Reviews and Their KEYS

More information

Name Period Date. Ch. 19: Oxidation-Reduction Reactions Homework

Name Period Date. Ch. 19: Oxidation-Reduction Reactions Homework Name Period Date Ch. 19: OxidationReduction Reactions Homework Answer each of the following questions in as much detail as you can. Be sure to show all your work for any calculations and follow all rules

More information

Week 5: Chemical Bonding. Part 1: The Octet Rule Part 2: Ionic Bonding

Week 5: Chemical Bonding. Part 1: The Octet Rule Part 2: Ionic Bonding Week 5: Chemical Bonding Part 1: The Octet Rule Part 2: Ionic Bonding Part 1: The Octet Rule Part 1: The Octet Rule / Objectives After this lesson I can determine the number of valence electrons elements

More information

Oxidation Numbers, ox #

Oxidation Numbers, ox # Oxidation Numbers, ox # are or numbers assigned to each or assuming that the are transferred from the electronegative element to the electronegative element. now mimic systems. ox # are written followed

More information

Atoms and Bonding. Chapter 18 Physical Science

Atoms and Bonding. Chapter 18 Physical Science Atoms and Bonding Chapter 18 Physical Science 2017-2018 Atoms and Bonding: Chemical Bonding The combining of atoms of elements to form new substances. Bonding of atoms determine a compound s properties.

More information

Chem 105X Fri. Sept. 17, True 2. False. Dihydrogen monoxide is toxic. Today

Chem 105X Fri. Sept. 17, True 2. False. Dihydrogen monoxide is toxic. Today Chem 105X Fri. Sept. 17, 2010 Today Written homework problem #1 Handed back #2 Due Monday in class Next week s lab 0% 0% 1) Formulas and names 2) Mixed nomenclature 3) Calculations: moles-atoms-molecules,

More information

CHEMISTRY 13 Electrochemistry Supplementary Problems

CHEMISTRY 13 Electrochemistry Supplementary Problems 1. When the redox equation CHEMISTRY 13 Electrochemistry Supplementary Problems MnO 4 (aq) + H + (aq) + H 3 AsO 3 (aq) Mn 2+ (aq) + H 3 AsO 4 (aq) + H 2 O(l) is properly balanced, the coefficients will

More information

Inorganic Chemistry Nomenclature A. Anions

Inorganic Chemistry Nomenclature A. Anions Writing Net Ionic Equations and Determination of Spectator Ions Predicting Products and Balancing Total Equation: 1. Given reactants, swap appropriate ions to form product compounds 2. Determine phase

More information

Chem II. Zn(s) + CuSO4(aq)

Chem II. Zn(s) + CuSO4(aq) Redox Review Chem II 1. What is the sum of the oxidation numbers of the atoms in the compound CO2? A) 0 B) 2 C) 4 D) +4 2. In which substance does phosphorus have a +3 oxidation state? A) P4O10 B) PCl5

More information

Name. Academic Chemistry Stoichiometry Notes. Unit #10 Test Date: cincochem.pbworks.com

Name. Academic Chemistry Stoichiometry Notes. Unit #10 Test Date: cincochem.pbworks.com Name Academic Chemistry Stoichiometry Notes Unit #10 Test Date: cincochem.pbworks.com Resources Unit 10 Common Polyatomic Ions List 20 Name Common Polyatomic Ion Ions Name Ion acetate C 2 H 3 O 2 or CH3

More information

Ions and Ionic Compounds

Ions and Ionic Compounds Ions and Ionic Compounds Elements combine in a specific ratio to form compounds. Compounds can be categorized as ionic or covalent depending on the type of bond present within the compound. Ionic compounds

More information

Naming Ionic Compounds with Two Elements

Naming Ionic Compounds with Two Elements Chapter 6 Lecture Chapter 6 Ionic and Molecular Compounds 6.3 Naming and Writing Ionic Compounds Fifth Edition Naming of Ionic Compounds In the name of an ionic compound, the positive ion (first ion) is

More information

CRHS Academic Chemistry HOMEWORK

CRHS Academic Chemistry HOMEWORK Name Period CRHS Academic Chemistry UNIT 8 -- Chemical Reactions HOMEWORK Due Date Assignment On-Time (100) Late (70) 8.1 8.2 8.3 8.4 8.5 Warm-Up EC Notes, Homework, Exam Reviews and Their KEYS located

More information

Name Date Period Ionic Bonding Puzzle Activity

Name Date Period Ionic Bonding Puzzle Activity Name Date Period Ionic Bonding Puzzle Activity Introduction When metals and non-metals chemically react, the atoms will tend to form ions or charged atoms. Ions form because electrons are either gained

More information

Nomenclature for ionic compounds

Nomenclature for ionic compounds Name: Nomenclature for ionic compounds Nomenclature is a system of naming. This worksheet presents a widely used system of nomenclature for ionic compounds. There are two types of metal cations with different

More information

Redox and Electrochemistry (BLB chapter 20, p.723)

Redox and Electrochemistry (BLB chapter 20, p.723) Redox and Electrochemistry (BLB chapter 20, p.723) Redox is short for reduction/oxidation Redox chemistry deals with changes in the oxidation states of atoms Oxidation States All atoms have an oxidation

More information

Ionic Bonding (Ch.7) Covalent Bonding (Ch.8) Metallic Bonding

Ionic Bonding (Ch.7) Covalent Bonding (Ch.8) Metallic Bonding Unit 3: Chemical Bonding Outline Ionic Bonding (Ch.7) Valence electrons Positive and negative ions and transition metal ions Ionic bonding: Charge on compounds Ionic compounds characteristics Writing ionic

More information

1)Ionic and Covalent compounds 2)Formulas and names 3)Mixed nomenclature 4)Calculations: a. moles-atoms-molecules, and all that

1)Ionic and Covalent compounds 2)Formulas and names 3)Mixed nomenclature 4)Calculations: a. moles-atoms-molecules, and all that Chem 105X Wed. Sept. 18, 2009 Today Tutors Laboratory 1)Ionic and Covalent compounds 2)Formulas and names 3)Mixed nomenclature 4)Calculations: a. moles-atoms-molecules, and all that 9/18/2009 1 Department

More information

Chapter 19: Redox & Electrochemistry

Chapter 19: Redox & Electrochemistry Chapter 19: Redox & Electrochemistry 1. Oxidation-Reduction Reactions Definitions Oxidation - refers to the of electrons by a molecule, atom or ion Reduction - refers to the of electrons by an molecule,

More information

CHAPTER 5 REVIEW. C. CO 2 D. Fe 2 O 3. A. Fe B. CO

CHAPTER 5 REVIEW. C. CO 2 D. Fe 2 O 3. A. Fe B. CO CHAPTER 5 REVIEW 1. The following represents the process used to produce iron from iron III oxide: Fe 2 O 3 + 3CO 2Fe + 3CO 2 What is the reducing agent in this process? A. Fe B. CO C. CO 2 D. Fe 2 O 3

More information

Chapter 5: Nomenclature

Chapter 5: Nomenclature Chem 1025 Prof George W.J. Kenney, Jr Introductory Chemistry, Zumdahl Decoste, 6th ed Last Update: 21July09 Chapter 5: Nomenclature These Notes are to SUPPLIMENT the Text, They do NOT Replace reading the

More information

(c) In marble, we assign calcium ion an oxidation number of +2, and oxygen a value of 2. We can determine the value of carbon in CaCO 3 as follows:

(c) In marble, we assign calcium ion an oxidation number of +2, and oxygen a value of 2. We can determine the value of carbon in CaCO 3 as follows: Example Exercise 17.1 Calculating Oxidation Numbers for Carbon Calculate the oxidation number for carbon in each of the following compounds: (a) diamond, C (b) dry ice, CO 2 (c) marble, CaCO 3 (d) baking

More information

IB Topics 9 & 19 Multiple Choice Practice

IB Topics 9 & 19 Multiple Choice Practice IB Topics 9 & 19 Multiple Choice Practice 1. What are the oxidation states of chromium in (NH 4) 2Cr 2O 7 (s) and Cr 2O 3 (s)? 2. Which of the following is a redox reaction? 3Mg (s) + 2AlCl 3 (aq) 2Al

More information

Oxidation numbers are charges on each atom. Oxidation-Reduction. Oxidation Numbers. Electrochemical Reactions. Oxidation and Reduction

Oxidation numbers are charges on each atom. Oxidation-Reduction. Oxidation Numbers. Electrochemical Reactions. Oxidation and Reduction Oxidation-Reduction Oxidation numbers are charges on each atom. 1 2 Electrochemical Reactions Oxidation Numbers In electrochemical reactions, electrons are transferred from one species to another. In order

More information

AP Chemistry Summer Assignment

AP Chemistry Summer Assignment AP Chemistry Summer Assignment Welcome to AP Chemistry! To make sure we can hit the ground running in August, you will be assigned some summer homework. This assignment will help you with some of the memorization,

More information

Oxidation-Reduction (Redox)

Oxidation-Reduction (Redox) Oxidation-Reduction (Redox) Electrochemistry involves the study of the conversions between chemical and electrical energy. Voltaic (galvanic) cells use chemical reactions to produce an electric current.

More information

U N I T T E S T P R A C T I C E

U N I T T E S T P R A C T I C E South Pasadena Honors Chemistry Name 6 Compounds Period Date U N I T T E S T P R A C T I C E Section 1: Multiple Choice. Select the best answer choice for each question. (1 point each) 1. Bonds between

More information

An oxidation-reduction (redox) reaction involves the transfer of electrons (e - ). Sodium transfers its electrons to chlorine

An oxidation-reduction (redox) reaction involves the transfer of electrons (e - ). Sodium transfers its electrons to chlorine Oxidation-Reduction An oxidation-reduction (redox) reaction involves the transfer of electrons (e - ). Sodium transfers its electrons to chlorine 2 Chemists need a way to keep track of what happens in

More information

Chapter 19: Electrochemistry

Chapter 19: Electrochemistry Chapter 19: Electrochemistry Overview of the Chapter review oxidation-reduction chemistry basics galvanic cells spontaneous chemical reaction generates a voltage set-up of galvanic cell & identification

More information

REDOX test practice. 2 Cr(s) + 3 Sn 2+ (aq) 2 Cr 3+ (aq) + 3 Sn(s)

REDOX test practice. 2 Cr(s) + 3 Sn 2+ (aq) 2 Cr 3+ (aq) + 3 Sn(s) 1. Which polyatomic ion has a charge of 3? A) chromate ion B) oxalate ion C) phosphate ion D) thiocyanate ion 2. What is the oxidation state of nitrogen in NaNO2? A) +1 B) +2 C) +3 D) +4 3. What are the

More information

elemental state. There are two different possibilities: DESCRIPTION 1. One cation (+ ion) replaces another. 2. One anion (- ion) replaces another.

elemental state. There are two different possibilities: DESCRIPTION 1. One cation (+ ion) replaces another. 2. One anion (- ion) replaces another. CHEMICAL TYPES HANDOUT In these reactions, a free element reacts with a compound to form another compound and release one of the elements of the original compound in the elemental state. There are two

More information

2. Covalent bond bonds in which electrons are shared resulting in a molecule

2. Covalent bond bonds in which electrons are shared resulting in a molecule REVIEW: UNIT 3: BONDING: OXIDATION NUMBERS: NAMING CHEMICALS What are valence electrons? How do you determine valence electrons? How do you write dot notations? The outermost electrons are always s and

More information

How to Assign Oxidation Numbers. Chapter 18. Principles of Reactivity: Electron Transfer Reactions. What is oxidation? What is reduction?

How to Assign Oxidation Numbers. Chapter 18. Principles of Reactivity: Electron Transfer Reactions. What is oxidation? What is reduction? Chapter 18 Principles of Reactivity: Electron Transfer Reactions What is oxidation? When a molecule/ion loses electrons (becomes more positive) Whatever is oxidized is the reducing agent What is reduction?

More information

Zn + Cr 3+ Zn 2+ + Cr. 9. neutrons remain the same: C. remains the same. Redox/Electrochemistry Regents Unit Review. ANSWERS

Zn + Cr 3+ Zn 2+ + Cr. 9. neutrons remain the same: C. remains the same. Redox/Electrochemistry Regents Unit Review. ANSWERS Redox/Electrochemistry Regents Unit Review. ANSWERS 1. ½ red = Cr 3+ + 3e Cr 2. ½ ox = Zn Zn +2 + 2e 3. Balanced = 3Zn + 2Cr 3+ 3Zn +2 + 2Cr 4. Zn loses electrons, 2Cr 3+ gains electrons Zn + Cr 3+ Zn

More information

Ternary Compounds. , to give the compound, NaNO 3, sodium nitrate.

Ternary Compounds. , to give the compound, NaNO 3, sodium nitrate. Ternary Compounds Ternary Compounds Ternary compounds are those containing three different elements. (NaNO 3, NH 4 Cl, etc.). The naming of ternary compounds involves the memorization of several positive

More information

Electrochemistry. 1. Determine the oxidation states of each element in the following compounds. (Reference: Ex. 4:16) a. N 2 N: b.

Electrochemistry. 1. Determine the oxidation states of each element in the following compounds. (Reference: Ex. 4:16) a. N 2 N: b. Name: Electrochemistry Two of the most common types of chemical reactions are acid-base reactions in which protons are transferred between two reactants and oxidation-reduction reactions in which electrons

More information

REDOX AND ELECTROCHEMISTRY

REDOX AND ELECTROCHEMISTRY SOUTH HIGH SCHOOL REDOX AND ELECTROCHEMISTRY Regents Chemistry Dr. Lombardo NAME Content Objectives REDOX & ELECTROCHEMISTRY What will students know and be able to do by the end of this instructional unit?

More information

CRHS Academic Chemistry Unit 6 - Nomenclature Practice Problems

CRHS Academic Chemistry Unit 6 - Nomenclature Practice Problems Name Period CRHS Academic Chemistry Unit 6 - Nomenclature Practice Problems Due Date Assignment On-Time (100) Late (70) 6.1 6.2 6.3 6.4 6.5 6.6 Warm-Up EC Notes, Homework, Exam Reviews and Their KEYS located

More information

*STUDENT* * STUDENT * Mr. Dolgos Regents Chemistry NOTE PACKET. Unit 10: Electrochemistry (Redox) REDOX NOTEPACKET 1

*STUDENT* * STUDENT * Mr. Dolgos Regents Chemistry NOTE PACKET. Unit 10: Electrochemistry (Redox) REDOX NOTEPACKET 1 *STUDENT* * STUDENT * Mr. Dolgos Regents Chemistry NOTE PACKET Unit 10: Electrochemistry (Redox) REDOX NOTEPACKET 1 *STUDENT* * STUDENT * UNIT 10: Electrochemistry (Redox) Redox Reduction Oxidation Reducing

More information

Exercise 4 Oxidation-reduction (redox) reaction oxidimetry. Theoretical part

Exercise 4 Oxidation-reduction (redox) reaction oxidimetry. Theoretical part Exercise 4 Oxidation-reduction (redox) reaction oxidimetry. Theoretical part In oxidation-reduction (or redox) reactions, the key chemical event is the net movement of electrons from one reactant to the

More information

Regents review Electrochemistry(redox)

Regents review Electrochemistry(redox) 2011-2012 1. Chlorine has an oxidation state of +3 in the compound A) HClO B) HClO2 C) HClO3 D) HClO4 2. What is the oxidation number of iodine in KIO4? A) +1 B) 1 C) +7 D) 7 3. What is the oxidation number

More information

Directions: Use the rules for Assigning Oxidation numbers to determine the oxidation number assigned to each element in each of the given formulas.

Directions: Use the rules for Assigning Oxidation numbers to determine the oxidation number assigned to each element in each of the given formulas. Oxidation Numbers #00 Directions: Use the rules for Assigning Oxidation numbers to determine the oxidation number assigned to each element in each of the given formulas. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.

More information

CRHS Academic Chemistry Unit 7 - Chemical Quantities. Notes. Key Dates

CRHS Academic Chemistry Unit 7 - Chemical Quantities. Notes. Key Dates Name Period CRHS Academic Chemistry Unit 7 - Chemical Quantities Notes Key Dates Quiz Date Exam Date Lab Dates Notes, Homework, Exam Reviews and Their KEYS located on CRHS Academic Chemistry Website: https://cincochem.pbworks.com

More information

Introduction Oxidation/reduction reactions involve the exchange of an electron between chemical species.

Introduction Oxidation/reduction reactions involve the exchange of an electron between chemical species. Introduction Oxidation/reduction reactions involve the exchange of an electron between chemical species. The species that loses the electron is oxidized. The species that gains the electron is reduced.

More information

Electrochemical Reactions

Electrochemical Reactions 1 of 20 4/11/2016 1:00 PM Electrochemical Reactions Electrochemical Reactions Electrical Work From Spontaneous Oxidation- Reduction Reactions Predicting Spontaneous Redox Reactions from the Sign of E Line

More information

Reducing Agent = a substance which "gives" electrons to another substance causing that substance to be reduced; a reducing agent is itself oxidized.

Reducing Agent = a substance which gives electrons to another substance causing that substance to be reduced; a reducing agent is itself oxidized. Oxidation = a loss of electrons; an element which loses electrons is said to be oxidized. Reduction = a gain of electrons; an element which gains electrons is said to be reduced. Oxidizing Agent = a substance

More information

Reactions in aqueous solutions Redox reactions

Reactions in aqueous solutions Redox reactions Reactions in aqueous solutions Redox reactions Redox reactions In precipitation reactions, cations and anions come together to form an insoluble ionic compound. In neutralization reactions, H + ions and

More information

Chapter 4 Chemical Formulas, Reactions, Redox and Solutions

Chapter 4 Chemical Formulas, Reactions, Redox and Solutions Terms to Know: Solubility Solute Solvent Solution Chapter 4 the amount of substance that dissolves in a given volume of solvent at a given temperature. a substance dissolved in a liquid to form a solution

More information

Electrochemistry. A. Na B. Ba C. S D. N E. Al. 2. What is the oxidation state of Xe in XeO 4? A +8 B +6 C +4 D +2 E 0

Electrochemistry. A. Na B. Ba C. S D. N E. Al. 2. What is the oxidation state of Xe in XeO 4? A +8 B +6 C +4 D +2 E 0 Electrochemistry 1. Element M reacts with oxygen to from an oxide with the formula MO. When MO is dissolved in water, the resulting solution is basic. Element M is most likely: A. Na B. Ba C. S D. N E.

More information

OXIDATION-REDUCTIONS REACTIONS. Chapter 19 (From next years new book)

OXIDATION-REDUCTIONS REACTIONS. Chapter 19 (From next years new book) OXIDATION-REDUCTIONS REACTIONS Chapter 19 (From next years new book) ELECTROCHEMICAL REACTIONS: What are electrochemical reactions? Electrons are transferred from one species to another ACTIVATING PRIOR

More information

AP Chemistry Summer Assignment

AP Chemistry Summer Assignment AP Chemistry Summer Assignment Welcome to AP Chemistry! You will quickly notice that things will be different than they were in Honors Chemistry. For one, you must memorize a lot of the information that

More information

Chapter 2. The Components of Matter

Chapter 2. The Components of Matter Chapter 2. The Components of Matter 1 The Periodic Table (Section 2.6) 13 Al 26.981 Main Idea: 1. Groups: Old numbering system: New IUPAC numbering system: 2. Periods: 3. Know the names and properties

More information

Tustin HS AP Chemistry SUMMER ASSIGNMENT

Tustin HS AP Chemistry SUMMER ASSIGNMENT Tustin HS AP Chemistry SUMMER ASSIGNMENT Instructor: Email: Ms. Abbey Zinsser azinsser@tustin.k12.ca.us or azinsser@mytusd.org Textbook: Chemistry: The Central Science, Brown, LeMay, Bursten, 11 th edition

More information

Electrochemistry Pulling the Plug on the Power Grid

Electrochemistry Pulling the Plug on the Power Grid Electrochemistry 18.1 Pulling the Plug on the Power Grid 18.3 Voltaic (or Galvanic) Cells: Generating Electricity from Spontaneous Chemical Reactions 18.4 Standard Electrode Potentials 18.7 Batteries:

More information

AP Chemistry Suggested Summer Work

AP Chemistry Suggested Summer Work AP Chemistry Suggested Summer Work AP Chemistry is a difficult course. It is not all about memorization, but there are some things you simply must memorize. It is essential for success in learning the

More information

Name: Regents Chemistry Date:

Name: Regents Chemistry Date: Name: Date: 1. The reaction CuO + CO CO 2 + Cu is an example of (A) reduction, only (B) oxidation, only (C) both oxidation and reduction (D) neither oxidation nor reduction 6. In which compound does chlorine

More information

How do atoms of elements exist in the

How do atoms of elements exist in the How do atoms of elements exist in the nature? How do atoms of elements exist in the nature? But noble gases like He,Ne,Ar,Kr,Xe,Rn etc do not exist in the nature in the combined state..they exist as monoatomic

More information

Ch 20 Electrochemistry: the study of the relationships between electricity and chemical reactions.

Ch 20 Electrochemistry: the study of the relationships between electricity and chemical reactions. Ch 20 Electrochemistry: the study of the relationships between electricity and chemical reactions. In electrochemical reactions, electrons are transferred from one species to another. Learning goals and

More information

Chapter 8 Nomenclature

Chapter 8 Nomenclature 8.1 Names of Atoms Chapter 8 Nomenclature Simple neutral atoms with no charge are named as is: Na is sodium atom, Ne is neon atom Know the names and symbols for elements #1-20 and Ba, Co, I, Cu, Fe, Pb,

More information

Chapter 6 Inorganic and Organic Compounds: Names and Formulas

Chapter 6 Inorganic and Organic Compounds: Names and Formulas Chapter 6 Inorganic and Organic Compounds: Names and Formulas 6.1 Octet Rule and Ions 1 Octet Rule An octet is 8 valence electrons is associated with the stability of the noble gases does not occur with

More information

Molecule 2 atoms chemically combined, smallest part of compound

Molecule 2 atoms chemically combined, smallest part of compound Chemical Bonds 008: Chemical Bonds Bonding: the way atoms are attracted to each other to form molecules, determines nearly all of the chemical properties we see. And, as we shall see, the number 8 is

More information

CHEM N-12 November In the electrolytic production of Al, what mass of Al can be deposited in 2.00 hours by a current of 1.8 A?

CHEM N-12 November In the electrolytic production of Al, what mass of Al can be deposited in 2.00 hours by a current of 1.8 A? CHEM161 014-N-1 November 014 In the electrolytic production of Al, what mass of Al can be deposited in.00 hours by a current of 1.8 A? What products would you expect at the anode and the cathode on electrolysis

More information

Practice Packet: Oxidation Reduction. Regents Chemistry: Mrs. Mintz. Practice Packet. Chapter 14: Oxidation Reduction & Electrochemistry

Practice Packet: Oxidation Reduction. Regents Chemistry: Mrs. Mintz. Practice Packet. Chapter 14: Oxidation Reduction & Electrochemistry Practice Packet: Oxidation Reduction Regents Chemistry: Mrs. Mintz Practice Packet Chapter 14: Oxidation Reduction & Electrochemistry 1 Assigning Oxidation Numbers Objective: How do we assign atoms the

More information

Oxidation refers to any process in which the oxidation number of an atom becomes more positive

Oxidation refers to any process in which the oxidation number of an atom becomes more positive Lecture Notes 3 rd Series: Electrochemistry Oxidation number or states When atoms gain or lose electrons they are said to change their oxidation number or oxidation state. If an element has gained electrons

More information

Unit 8 Redox 8-1. At the end of this unit, you ll be able to

Unit 8 Redox 8-1. At the end of this unit, you ll be able to 8-1 Unit 8 Redox At the end of this unit, you ll be able to Define and identify oxidation reactions Define and identify reduction reactions Assign oxidation numbers to elements in a compound Write and

More information

Chemistry 102 Chapter 19 OXIDATION-REDUCTION REACTIONS

Chemistry 102 Chapter 19 OXIDATION-REDUCTION REACTIONS OXIDATION-REDUCTION REACTIONS Some of the most important reaction in chemistry are oxidation-reduction (redox) reactions. In these reactions, electrons transfer from one reactant to the other. The rusting

More information

CHEM 1364 Test #1 (Form A) Spring 2010 (Buckley)

CHEM 1364 Test #1 (Form A) Spring 2010 (Buckley) Name CHEM 1364 Test #1 (Form A) Spring 2010 (Buckley) If you get stuck on one item, just go to the next and come back later. Point possibilities are indicated in parentheses to the right of each problem

More information

Chapter 7 & 8 Nomenclature Notes/Study Guide. Properties of ionic bonds & compounds. Section 7-2

Chapter 7 & 8 Nomenclature Notes/Study Guide. Properties of ionic bonds & compounds. Section 7-2 Objectives Properties of ionic bonds & compounds Section 72 Define chemical bond. Describe formation of ionic bonds structure of ionic compounds. Generalize of ionic bonds based on Main Idea of ionic compounds

More information

ELECTROCHEMISTRY OXIDATION-REDUCTION

ELECTROCHEMISTRY OXIDATION-REDUCTION ELECTROCHEMISTRY Electrochemistry involves the relationship between electrical energy and chemical energy. OXIDATION-REDUCTION REACTIONS SPONTANEOUS REACTIONS Can extract electrical energy from these.

More information

CHAPTER 2: ATOMS, IONS, AND MOLECULES

CHAPTER 2: ATOMS, IONS, AND MOLECULES CHAPTER 2: ATOMS, IONS, AND MOLECULES Problems: 2.1-2.78, 2.81-2.93, 2.94-2.96, 2.111-2.119, 2.121, 2.127 2.1 THE NUCLEAR MODEL OF ATOMIC STRUCTURE Joseph John (J. J.) Thomson (1897) carried out experiments

More information

H 2 O. Chapter 9 Chemical Names and Formulas

H 2 O. Chapter 9 Chemical Names and Formulas H 2 O Chapter 9 Chemical Names and Formulas Section 9.1 Naming Ions OBJECTIVES: Identify the charges on monatomic ions by using the periodic table, and name the ions. Section 9.1 Naming Ions OBJECTIVES:

More information

Electrochemistry. Outline

Electrochemistry. Outline Electrochemistry Outline 1. Oxidation Numbers 2. Voltaic Cells 3. Calculating emf or Standard Cell Potential using Half-Reactions 4. Relationships to Thermo, Equilibrium, and Q 5. Stoichiometry 6. Balancing

More information

Test- Teacher s Use Only Student s Name Question Max Point Number Score Scored Date Duration Grade Instructions

Test- Teacher s Use Only Student s Name Question Max Point Number Score Scored Date Duration Grade Instructions Physical Science Test- Unit Teacher s Use Only Student s Name Date 2016-2017 Academic Year- Term Question Number Max Score Point Scored Duration Grade minutes G Q1 Q2 Q3 Instructions Fill in your student

More information

Chemistry. Test - Unit Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17. Total. Teacher s Use Only. Student s Name. Max Score. Question Number. Point Scored.

Chemistry. Test - Unit Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17. Total. Teacher s Use Only. Student s Name. Max Score. Question Number. Point Scored. Chemistry Test - Unit Teacher s Use Only Student s Name Date 2016-2017 Academic Year- Term Question Number Max Score Point Scored Duration Grade minutes G Q1 Q2 Q3 Instructions Fill in your student ID

More information

UHS Tutoring. (4) Redox Reactions (02)

UHS Tutoring. (4) Redox Reactions (02) UHS Tutoring (4) Redox Reactions (02) 8739 1844 www.uhsinternational.com UHS Tutoring 4. Oxidationreduction reactions are increasingly important as a source of energy Students learn to: A. Explain the

More information

Chemical Equations. Chemical Reactions. The Hindenburg Reaction 5/25/11

Chemical Equations. Chemical Reactions. The Hindenburg Reaction 5/25/11 Chemical Reactions CHM 1032C Chemical Equations Chemical change involves a reorganization of the atoms in one or more substances. The Hindenburg Reaction Reactants are on left, products to the right. Arrow

More information

Electrochemistry Crash Course

Electrochemistry Crash Course Electrochemistry Crash Course Electrochemistry is essentially the study of reactions involving the transfer of electrons from one element to another or the study of systems that allow for the flow of voltage

More information

Ionic and Metallic Bonding

Ionic and Metallic Bonding Unit 5: Ionic and Metallic Bonding H 2 O Valence Electrons are? The electrons responsible for the chemical properties of atoms, and are those in the outer energy level. Valence electrons - The s and p

More information

TYPES OF CHEMICAL REACTIONS

TYPES OF CHEMICAL REACTIONS TYPES OF CHEMICAL REACTIONS Precipitation Reactions Compounds Soluble Ionic Compounds 1. Group 1A cations and NH 4 + 2. Nitrates (NO 3 ) Acetates (CH 3 COO ) Chlorates (ClO 3 ) Perchlorates (ClO 4 ) Solubility

More information

mccord (pmccord) HW11 Electrochemistry I mccord (51520) 1

mccord (pmccord) HW11 Electrochemistry I mccord (51520) 1 mccord (pmccord) HW11 Electrochemistry I mccord (51520) 1 This print-out should have 27 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001

More information

Activity Balancing Oxidation-Reduction Reactions

Activity Balancing Oxidation-Reduction Reactions Activity 201 3 Balancing Oxidation-Reduction Reactions Directions: This GLA worksheet goes over the half-reaction method of balancing oxidation-reduction (redox) reactions. Part A introduces the oxidation

More information

Oxidation-reduction (redox) reactions

Oxidation-reduction (redox) reactions Oxidation-reduction (redox) reactions Reactions in which there are changes in oxidation state (oxidation number) between reactants and products 2 MnO 4- + 10 Br - + 16 H + 2 Mn 2+ + 5 Br 2 + 8 H 2 O One

More information

AP Chemistry Summer Assignment

AP Chemistry Summer Assignment AP Chemistry Summer Assignment AP Chemistry Students: This summer you are responsible for the following assignments: 1. You need to master the formulas, charges, and names of the common ions. On the second

More information