Topic 1 Topic 2 Topic 3 Topic 4 Topic 5
|
|
- Arlene Wilkerson
- 5 years ago
- Views:
Transcription
1
2 Topic 1 Topic 2 Topic 3 Topic 4 Topic
3 Question 1-10 Oxygen gas is written as O 2 in chemical equations. What term is used to describe the 2 in this formula? A. product B. coefficient C. catalyst D. subscript
4 Answer 1 10 D. subscript A subscript is the small number below an element
5 Question 1-20 What term is used to describe the 4 in the expression 4Ca(NO 3 ) 2? A. coefficient B. formula C. subscript D. symbol
6 Answer 1 20 A. coefficient A coefficient is the big number in front
7 Question 1-30 Which of the following types of reactions is the opposite of a synthesis reaction? A. displacement B. reversible C. combustion D. decomposition
8 Answer 1 30 D. decomposition Decomposition (breaking apart) is the opposite of synthesis (putting together)
9 Question 1-40 Which of the following processes is endothermic? A. burning wood B. exploding dynamite C. melting ice D. freezing water
10 Answer 1 40 C. melting ice Melting ice is endothermic because you add heat to melt the ice
11 Question 1-50 Which diagram below shows the correct location of the reactants and products of a chemical reaction? A. reactants products B. products reactants
12 Answer 1 50 A. reactants products Reactants are before the arrow; products after because they are what s produced
13 Question 2-10 When a chemical equation is balanced it shows that A. mass is conserved B. energy is conserved C. nothing is conserved
14 Answer 2 10 A. mass is conserved A balanced equation shows that mass is conserved
15 Question 2-20 In a combustion reaction, oxygen gas is a A. reactant B. product C. neither
16 Answer 2 20 A. reactant Oxygen gas is a reactant is a combustion reaction
17 Question 2-30 Food preservatives are added to slow down the chemical reaction that makes food go bad. In this case, food preservatives are A. catalysts B. products C. inhibitors
18 Answer 2 30 C. inhibitors Food preservatives are inhibitors because they slow down a chemical reaction of the food aging
19 Question 2-40 A substance that produces hydrogen ions in solution is a(n) A. acid B. base
20 Answer 2 40 A. acid An acid produces Hydrogen ions
21 Question 2-50 The sour taste of citrus fruits is caused by the presence of in these foods. A. acid B. base
22 Answer 2 50 A. acid Acids taste sour
23 Question 3-10 A substance that breaks apart completely in a solution is called a A. strong acid/base B. weak acid/ base C. dilute acid/base
24 Answer 3 10 A. strong acid/base A strong acid/base breaks apart completely
25 Question 3-20 On the ph scale, a ph of 7 indicates that something is A. acidic B. basic C. neutral
26 Answer 3 20 C. neutral ph of 7 is neutral
27 Question 3-30 The ph of lemon juice is most likely close to A. 7 B. 3 C. 10 D. 11
28 Answer 3 30 B. 3 Lemon juice is an acid so its ph is below 7
29 Question 3-40 Antacids work because they excess stomach acid. A. contain B. neutralize C. acidify D. concentrate
30 Answer 3 40 B. neutralize Antacids work against stomach acid to neutralize acid
31 Question 3-50 A solution with a bitter taste and a slippery feel is most likely A. an acid B. a base C. salt D. a chemical
32 Answer 3 50 B. a base Bases taste bitter and are slippery
33 Question 4-10 When you wash your hands with soap you are using a A. buffer B. acid C. base D. indicator
34 Answer 4 10 C. base Soap is a base (slippery)
35 Question 4-20 Balance the equation below: H 2 + O 2 H 2 O
36 Answer 4 20 _2_H O 2 2 H 2 O
37 Question 4-30 Balance the equation: P + O 2 P 4 O 10
38 Answer P + _5 O 2 1 P 4 O 10
39 Question 4-40 Balance the equation: Ag 2 O Ag + O 2
40 Answer Ag 2 O 4 Ag + 1 O 2
41 Question 4-50 Balance the equation: K + MgBr KBr + Mg
42 Answer K + 1 MgBr 1 KBr + 1 Mg
43 Question 5-10 Balance the equation: H 2 O + O 2 H 2 O 2
44 Answer H 2 O + 1 O 2 2 H 2 O 2
45 Question 5-20 Type of chemical reaction? C 10 H O 2 10 CO H 2 O
46 Answer 5 20 Combustion- combines with oxygen and makes carbon dioxide and water
47 Question 5-30 Type of reaction? NaCl + AgNO 3 NaNO 3 + AgCl
48 Answer 5 30 Double displacement-each element in the compound switches and forms a new compound
49 Question 5-40 Reaction type? Zn + 2 HCl ZnCl 2 + H 2
50 Answer 5 40 Single displacement-one element in the compound is replaced. One element is by itself
51 Question 5-50 Reaction type? 8 Fe + S 8 8 FeS
52 Answer 5 50 Synthesis-two elements form a compound
53 Question 6-60 What is the reaction type? 2 H 2 O 2 H 2 + O 2
54 Answer 6-60 Decomposition-a compound breaks apart into separate elements
Which of the following is NOT an example of a chemical reaction? A. Milk turning sour B. Food being digested C. A match burning D.
Chemical Reactions Which of the following is NOT an example of a chemical reaction? A. Milk turning sour B. Food being digested C. A match burning D. Ice melting Which of the following is NOT an example
More informationChemical Reactions Chapter 17
Chemical Reactions Chapter 17 I. Physical Change Changes which affect the size or shape of the substance BUT NOT its chemical properties or formulas. e.g.; ice melting. Water is still water II. Chemical
More informationPHOTOSYNTHESIS as a chemical reaction
CHEMICAL REACTIONS PHOTOSYNTHESIS as a chemical reaction SUNLIGHT CO 2 + H 2 O C 6 H 12 O 6 + O 2 REACTANTS PRODUCTS REACTANTS are the ingredients of a chemical reaction, always listed to the left of the
More informationUnderstand what acids and alkalis are, and where they are found.
Lesson Aims- Understand what acids and alkalis are, and where they are found. Test a range of household products with litmus indicator to see whether they are acidic or alkaline. Found in citrus fruit
More informationUnit 10 Chemical Reactions. Mrs. Valentine Physical Science
Unit 10 Chemical Reactions Mrs. Valentine Physical Science Section 1 Evidence for Chemical Reactions We see chemical reactions all around us. We are even doing some right now in our bodies. Picture yourself
More information2. What characteristic of water makes it the universal solvent? Nonpolar large molecules long-chain hydrocarbon molecules polar
PS Chemistry Chapter 22 & 23 Review Test Date Chapter 22 Suggestions for Studying Section 1 Know that a solution is made up of a solute and solvent. Be able to provide an example of a solute and a solvent.
More informationie) HCl (aq) H + (aq) + Cl - (aq) *Like all equations, dissociation equations are written in balanced form
Acids and Bases Acids - substances which dissolve in water to form H + ions in solution ie) HCl (aq) H + (aq) + Cl - (aq) *Like all equations, dissociation equations are written in balanced form a) contain
More informationChapter Introduction Lesson 1 Understanding Chemical Reactions Lesson 2 Types of Chemical Reactions Lesson 3 Energy Changes and Chemical Reactions
Chapter Introduction Lesson 1 Understanding Chemical Reactions Lesson 2 Types of Chemical Reactions Lesson 3 Energy Changes and Chemical Reactions Chapter Wrap-Up Changes in Matter A physical change does
More informationCh & 12 Test. Name: Class: Date: Multiple Choice Identify the choice that best completes the statement or answers the question.
Name: Class: Date: Ch 10 11 & 12 Test Multiple Choice Identify the choice that best completes the statement or answers the question. 1. How many valence electrons does Argon, a noble gas, have? a. 1 b.
More informationACIDS form when hydrogen compounds dissolve in water The subscript (aq) indicates aqueous which means dissolved in water Acid molecules ionize in
SCIENCE 1206 ACIDS form when hydrogen compounds dissolve in water The subscript (aq) indicates aqueous which means dissolved in water Acid molecules ionize in water to produce hydrogen ions (H + ) Examples
More informationChapter 24. One or more substances are changed into new substances. Balanced chemical equations: have the same number of atoms on both sides.
Chapter 24 Chemical Reactions What is a chemical reaction? One or more substances are changed into new substances. Conservation of mass Mass of the products = mass of the reactants Reactants Produce Products
More informationACIDS form when hydrogen compounds dissolve in water The subscript (aq) indicates aqueous which means dissolved in water Acid molecules ionize in
SCIENCE 1206 ACIDS form when hydrogen compounds dissolve in water The subscript (aq) indicates aqueous which means dissolved in water Acid molecules ionize in water to produce hydrogen ions (H + ) Examples
More informationReactions in Aqueous Solution
1 Reactions in Aqueous Solution Chapter 4 For test 3: Sections 3.7 and 4.1 to 4.5 Copyright The McGrawHill Companies, Inc. Permission required for reproduction or display. 2 A solution is a homogenous
More information4 Energy and Rates of Chemical Reactions
CHAPTER 14 4 and Rates of Chemical Reactions SECTION Chemical Reactions BEFORE YOU READ After you read this section, you should be able to answer these questions: How is energy involved in a chemical reaction?
More informationChemical Reactions. Section 7.1: Nature of Reactions
Chemical Reactions Section 7.1: Nature of Reactions When do chemical reactions take place? What is the role of energy in chemical reactions? 1 Chemical Reactions It is a change in matter that produces
More informationPhase Changes: A type of Physical Change
Chemistry Ms. Ye Name Date Block Changes we observe about matter can be categorized as either a physical or chemical change: Physical Change: a change in which the Chemical Change: a change in which the
More informationACIDS form when hydrogen compounds dissolve in water The subscript (aq) indicates aqueous which means dissolved in water Acid molecules ionize in
SCIENCE 1206 ACIDS form when hydrogen compounds dissolve in water The subscript (aq) indicates aqueous which means dissolved in water Acid molecules ionize in water to produce hydrogen ions (H + ) Examples
More informationUnit 5. Chemical reactions
Unit 5. Chemical reactions Index 1.- Physical and chemical phenomena...2 2.- What is a chemical reaction?...2 2.1. Chemical equation...2 2.2.- Balance of chemical reactions. Law of conservation of mass...3
More informationBig Chemistry Quiz/Review
Big Chemistry Quiz/Review Name: 1.Indicate if each statement is true or false. (10 marks) T for True or F for False Statement Each element in a group on the periodic table has the same number of electrons
More informationCHEMICAL REACTIONS. Types of Reactions. Steps to Writing Reactions
Types of Reactions CHEMICAL REACTIONS There are five types of chemical reactions we will talk about: 1. Synthesis reactions 2. reactions 3. Single displacement reactions 4. reactions 5. Combustion reactions
More informationChapter 14 Study Questions Name: Sci Class:
Chapter 14 Study Questions Name: Sci Class: Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. Balancing a chemical equation so that the same
More informationChapter 5. Chemical reactions
Chapter 5 Chemical reactions Chemical equations CaO(s) + CO 2 (g) CaCO 3 (s) + CO(g) Chemical equation - representation of a chemical reaction; uses the symbols of the elements and formulae of the compounds
More informationUnit 5 Chemical Reactions Notes. Introduction: Chemical substances have physical and chemical properties
Unit 5 Chemical Reactions Notes Introduction: Chemical substances have physical and chemical properties Physical Properties 2 Types of Physical Properties Extensive Physical Properties Intensive Physical
More informationAP Chemistry. Mole, Molecular Formula Review One Mole = o This is Avogadro s number. Molar Mass: The mass of one mole of a substance in grams.
AP Chemistry Ms Ye Name Date Block Mole, Review One Mole = o This is Avogadro s number Molar Mass: The mass of one mole of a substance in grams Percent Composition: Identifies the elements present in a
More informationChemical Symbols & Formulas
+ Chemical Symbols & Formulas + Chemical Symbols All elements in the Periodic Table have symbols that are recognized world wide. It does not matter which country you are in or the language you speak. Example:
More informationIndicate the answer choice that best completes the statement or answers the question.
Indicate the answer choice that best completes the statement or answers the question. 1. Which of the following bonds is polar? a. F F b. O H c. O O d. H H 2. In the compound, H 2 O, the electrons in the
More information- Double replacement reactions that form water are also called "neutralizations"
101 ACID/BASE REACTIONS (also called NEUTRALIZATION REACTIONS) - There are several stable molecules that may be formed in double replacement reactions, but the most common is WATER! - Double replacement
More informationChemistry Spring Packet Study Guide for Benchmark Exam
Chemistry Spring Packet-1 --- Study Guide for Benchmark Exam 1. Which action will result in a new product with new chemical properties? A. shredding a newspaper B. cutting wood C. breaking a mirror D.
More informationCHAPTER 11: CHEMICAL REACTIONS. Mrs. Brayfield
CHAPTER 11: CHEMICAL REACTIONS Mrs. Brayfield WRITING EQUATIONS Write the chemical equation for the following: Magnesium metal reacts with hydrochloric acid to form aqueous magnesium chloride and hydrogen
More informationPhysical Change - alters the form or appearance of a substance but does not change it into a new, different substance
Chemical Reactions Physical Change - alters the form or appearance of a substance but does not change it into a new, different substance Chemical Change - forms one or more new substances with properties
More informationIntroduction to Chemical Reactions. Making new substances
Introduction to Chemical Reactions Making new substances Main Ideas Chemical Reactions are represented by Chemical Equations. Chemical Equations are balanced to show the same number of atoms of each element
More informationLesson #6: Chemical Reaction Types
Lesson #6: Chemical Types Type #1 The Synthesis In this type of reaction 2 or more elements or compounds combine to form a more complex compound Two or more things become one bigger thing (ex) 2Mg + O
More informationQuestions for "Reaction Bingo" 1. The starting substances in a chemical reaction.
Chemical Reactions Bingo, April 2011 1 Questions for "Reaction Bingo" 1. The starting substances in a chemical reaction. 2. A single compound gets broken apart in this type of reaction. (one of the 5 types
More informationReactions in Aqueous Solution
Reading Assignments: Reactions in Aqueous Solution Chapter 4 Chapter 4 in R. Chang, Chemistry, 9 th Ed., McGraw-Hill, 2006. or previous editions. Or related topics in other textbooks. Consultation outside
More informationStudent Exploration: Chemical Changes
Name: Date: Student Exploration: Chemical Changes Vocabulary: acid, base, catalyst, chemical change, coefficient, conservation of matter, decomposition, dissolve, double replacement, endothermic, exothermic,
More informationTypes of Chemical Reactions. Synthesis, Combustion, Decomposition and Replacement
Types of Chemical Reactions Synthesis, Combustion, Decomposition and Replacement You can think of atoms as people getting together as couples... Analogy One person A couple Switching partners Chemical
More informationBalancing CHEMICAL EQUATIONS
Balancing CHEMICAL EQUATIONS CHEMICAL REACTIONS involves a chemical change in the identity of one or more chemical species Ex. Rusting of iron (Fe): chemical rxn btwn water and iron involve the breaking
More informationCHAPTER Describing Chemical Reactions Reactants Products. New substances produced The arrow means yields TYPES OF EQUATIONS.
CHAPTER 11 Chemical Reactions 11.1 Describing Chemical Reactions Reactants Products New substances produced The arrow means yields Where do Chemical Reactions occur? Everywhere!!! In living organisms In
More informationChapter 7 TEST CHEMICAL REACTIONS PART 1: MULTIPLE CHOICE.
Chapter 7 TEST CHEMICAL REACTIONS PART 1: MULTIPLE CHOICE. 1. Which of these is not a sign of a chemical reaction? a. A gas is given off. c. Heat is released. b. The material dissolves. d. A color change
More informationSection 1 Chemical Changes
Chemical Reactions Section 1 Chemical Changes What You ll Learn: How to identify the reactants & products in a chemical reaction How a chemical reaction follows the law of conservation of mass How chemists
More informationIndicators of chemical reactions
Indicators of chemical reactions Emission of light or heat Formation of a gas Formation of a precipitate Color change Emission of odor All chemical reactions: have two parts Reactants - the substances
More information11-1 Notes. Chemical Reactions
11-1 Notes Chemical Reactions Chemical Reactions In a chemical reaction 1 or more substances (the reactants) change into 1 or more new substances (the products). Reactants are always written on the left
More information1 Chemistry Notes Dr. Reeves Science Class (This was me when I had hair.)
1 Chemistry Notes Dr. Reeves Science Class (This was me when I had hair.) Table of Contents Introduction Slide 5 Topics of Discussion Slide 6 Periodic Table Slide 10 Elements Slide 15 Chemical Formulas
More informationChemical Reactions. Chemical Reactions Chemical reactions have a standard format when written:
0.3.notebook A chemical property is a behaviour that occurs when substances change to create a new substance. When a new substance is created, a chemical change has occurred. New colour Evidence of chemical
More informationNaOH + HCl ---> NaCl + H 2 O
EXERCISES, LESSON 2 INSTRUCTIONS. Write the word, words, symbols, or numbers that properly completes the statement in the space provided or mark the correct word/phrase from those given. After you complete
More informationCh 100: Fundamentals for Chemistry
Ch 100: Fundamentals for Chemistry Chapter 8: Chemical Equations Lecture Notes Chemical Equations (Intro) 1. Chemical equations are used to symbolically describe chemical reactions 2. In a chemical equation
More informationChemical Reactions Chapter 2 L book pages L44 - L73. examples?
Name: Period: Chemical Reactions Chapter 2 L book pages L44 - L73 Vocabulary Word What is this? (definition) What are some examples? What does it look like? (draw a picture or diagram) Physical property
More informationName: Date: Number: Acids
Acids The sour taste of the lemon juice tells us that it is an acid. Acids are special kinds of chemicals. They are common in everyday life. Some are helpful, others are harmful. There are some that are
More informationChemical formula - tells you how many atoms of each element are in a compound example: CO 2 (carbon dioxide) has one carbon atom and two oxygen atoms
Chemical Reactions Chemical formula - tells you how many atoms of each element are in a compound example: CO 2 (carbon dioxide) has one carbon atom and two oxygen atoms 2 points Chemical Equation - a short,
More informationMoles. Balanced chemical equations Molar ratios Mass Composition Empirical and Molecular Mass Predicting Quantities
Moles Balanced chemical equations Molar ratios Mass Composition Empirical and Molecular Mass Predicting Quantities Micro World atoms & molecules Macro World grams Atomic mass is the mass of an atom in
More informationPhysical Science Unit 3 Test Study Guide
Physical Science Unit 3 Test Study Guide CHEMICAL BONDING Valence Electrons: the electrons in its outermost shell Ionic Bond: a bond formed when oppositely charged ions attract. When one atom TRANSFERS
More informationUnit 1 - Foundations of Chemistry
Unit 1 - Foundations of Chemistry Chapter 2 - Chemical Reactions Unit 1 - Foundations of Chemistry 1 / 42 2.1 - Chemical Equations Physical and Chemical Changes Physical change: A substance changes its
More informationClassify each compound as Ionic (I), Covalent (C), or Acid (A). Write the names or formulas for each compound. Name Type Formula Name Type Formula
South Pasadena Chemistry Name Period Date U N I T 6 C O M P O U N D S Consider the compound Ba(NO 3) 2. Classify: [ Ionic Covalent Acid Organic ] Name the compound: Calculate the Molar Mass. Consider the
More informationChapter 5: Chemical Reactions
Chapter 5: Chemical Reactions CHEMICAL EQUATIONS Chemical equations are a convenient way to represent chemical reactions. Chemical equations are written in terms of reactants and products. A symbol is
More informationEvery living and nonliving things is made up of matter. MATTER: anything that has mass & takes up space. What does all matter have in common?
the basics Every living and nonliving things is made up of matter MATTER: anything that has mass & takes up space What does all matter have in common? Smallest unit of matter ALL matter is made of particles
More informationChapter 5: Chemical Reactions
Chapter 5: Chemical Reactions CHEMICAL EQUATIONS Chemical equations are a convenient way to represent chemical reactions. Chemical equations are written in terms of reactants and products. A symbol is
More informationNotes: Chemical Reactions (text Ch. 8)
U Name Per. Notes: Chemical Reactions (text Ch. 8) NOTE: This set of class notes is not complete. We will be filling in information in class. If you are absent, it is your responsibility to get missing
More information- Double replacement reactions that form water are also called "neutralizations"
119 ACID/BASE REACTIONS (also called NEUTRALIZATION REACTIONS) - There are several stable molecules that may be formed in double replacement reactions, but the most common is WATER! - Double replacement
More informationPhysical Science SPS 6 Review Activity
Properties of Acids & Bases: in this table, list everything that you know about acids, bases, & their properties. List specific things and general things. (how do you identify them? What makes them, them?
More informationChapter 1 Chemical Reactions & Equations
CBSE Class 10th NCERT Science Chapter 1 Chemical Reactions & Equations Intext Questions On Page 6 Question 1: Why should a magnesium ribbon be cleaned before burning in air? Magnesium is an extremely reactive
More informationCHAPTER 8 CHEMICAL REACTIONS AND EQUATIONS
CHAPTER 8 CHEMICAL REACTIONS AND EQUATIONS CHEMICAL REACTIONS Occurs when matter combines or breaks apart to produce new kinds of matter with different properties with a change in energy. EVIDENCE FOR
More informationChapter 6 and 7 Study Guide Reactions and Bonds
Name_ Per. Block _ Multiple Choice: Chapter 6 and 7 Study Guide Reactions and Bonds 1. Copper is a good conductor of electricity because its electrons A. are positively charged B. are free to move and
More informationCHAPTER 1: CHEMICAL REACTIONS
CHAPTER 1: CHEMICAL REACTIONS Section 1: Forming New Substances Chemical Changes are responsible for leaf coloring Chemical Reactions Process of one or more substance undergoes change to produce one or
More informationChapter 7 Chemical Reactions
Chapter 7 Chemical Reactions Chemical Equation --> is a representation of a chemical reaction in which the reactants and products are expressed as formulas Reactants --> substances that undergo change
More informationChapter 4 Electrolytes Acid-Base (Neutralization) Oxidation-Reduction (Redox) Reactions. Dr. Sapna Gupta
Chapter 4 Electrolytes Acid-Base (Neutralization) Oxidation-Reduction (Redox) Reactions Dr. Sapna Gupta Types of Reactions Two classifications: one how atoms are rearrangement and the other is chemical
More informationChemical Reactions. Unit 4
Chemical Reactions Unit 4 Lesson 1: Chemical Bonds Unit 4: Reactions Compounds Most substances around you are NOT elements. There are around 100 elements, but millions of different substances. Most substances
More informationChapter 4; Reactions in Aqueous Solutions. Chapter 4; Reactions in Aqueous Solutions. V. Molarity VI. Acid-Base Titrations VII. Dilution of Solutions
Chapter 4; Reactions in Aqueous Solutions I. Electrolytes vs. NonElectrolytes II. Precipitation Reaction a) Solubility Rules III. Reactions of Acids a) Neutralization b) Acid and Carbonate c) Acid and
More informationICP Final Exam Review - Part 2
ICP Final Exam Review - Part 2 Modified True/False Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true. 1. A combustion reaction occurs
More informationDescribing Chemical Reactions
Describing Chemical Reactions Section 11.1-Describing Chemical Reactions To write a word equation, write the names of the reactants to the left of the arrow separated by plus signs; write the names of
More informationPage 1 / 12. Chemistry Exam. Name: Matter Properties, Structure. Question 1 (1 point) The atomic number of an atom is. A. The mass of the atom.
Chemistry Exam Matter Properties, Structure Name: Question 1 (1 point) The atomic number of an atom is A. The mass of the atom. B. The number of protons added to the number of neutrons in the nucleus.
More informationChemical Bonds And Equations
Chemical Bonds And Equations Intro to Chemical Bonds EQ: Why do atoms have a strong desire to form chemical bonds in nature? What are these called when different types of atoms bond to form a chemically
More informationConservation The Law of Conservation of Matter states that matter cannot be created or destroyed in ordinary chemical reactions. This means that no
Chemical Reactions Conservation The Law of Conservation of Matter states that matter cannot be created or destroyed in ordinary chemical reactions. This means that no atoms can be lost or gained. This
More informationJeddah Knowledge International School
Jeddah Knowledge International School Science Revision Pack 2016-2017 Quarter 1 Grade 9 Name: Section: Science Revision Pack Grade Nine Quarter One Page 1 Revision Pack Grade 9 Chemistry Question 1: Circle
More informationChemical Equations. Physical Science
Chemical Equations Physical Science Chemical Equations A chemical equation is a shorthand way of expressing a chemical reaction. CHEMICAL REACTIONS Reactants: Zn + I 2 Product: Zn I 2 Chemical reactions
More informationChoose the answer that best completes each statement.
Name Date CHAPTER TEST: CHEMICAL BONDS AND EQUATIONS Multiple Choice Choose the answer that best completes each statement. 1. Magnesium bromide is an ionic compound with the chemical formula MgBr2. What
More informationUnit 5 Lesson 2 Acids, Bases, and Salts. Copyright Houghton Mifflin Harcourt Publishing Company
Donations Accepted What are acids and bases? Acids and bases are chemicals that increase the number of ions present in a water solution when they dissolve. Lemon juice and vinegar both contain acid. Shampoo
More informationPHYSICAL & CHEMICAL CHANGES
PHYSICAL & CHEMICAL CHANGES The characteristics of a substance are called its properties. Physical properties are those that describe the matter without changing its composition. Examples are density,
More informationLLT Education Services
Rahul Arora 18. What chemical reaction is involved in the corrosion of iron? 19. Aluminum metal when burnt in air forms aluminium oxide. Write the balanced chemical equation for the reaction. 20. Is the
More informationReactions. Balancing Equations. Steps for Balancing 1/13/2012
Chapter 8 Reactions Balancing Equations The number of atoms of each element must be equal on each side of the equation. 4K + O 2 2K 2 O Al + ZnCl 2 Zn + AlCl 3 Steps for Balancing Write the formulas for
More informationI. What Are the Properties of Acids?
Chapter 6.3 DESCRIBING ACIDS AND BASES I. What Are the Properties of Acids? I. An Acid reacts with metals, reacts wth carbonates, tastes sour, and turns blue litmus paper red. A. REACTIONS WITH METALS
More informationACIDS & BASES PROPERTIES OF ACIDS ACIDS PROPERTIES OF ACIDS PROPERTIES OF ACIDS 11/1/2016
SC STANDARD COVERED ACIDS & BASES Standard PS-3.7 Classify various solutions as acids or bases according to their physical properties, chemical properties (including neutralization and reaction with metals),
More information9-1 The Nature of Chemical Reactions
9-1 The Nature of Chemical Reactions What are chemical reactions and why do they occur? A chemical reaction is a process in which one or more substances are converted into new substances with different
More informationDescribing Chemical Reactions
Describing Chemical Reactions This section explains how to show chemical reactions with symbols. It also states the principle of conservation of mass, and identifies three categories of chemical reactions.
More informationGeneral Physical Science. Chemical and Physical Properties. Chemical and Physical Properties. Chapter 13 Chemical Reactions. Physical properties
General Physical Science Chapter 13 Chemical Reactions Chemical and Physical Properties Physical properties Observations about a substance changes that do not involve a change in the arrangement of the
More informationChemical Reaction Types
Chemical Reactions Chemical Reaction Types There are 5 types of chemical reactions that you need to know Combination reaction Decomposition reaction Combustion reaction Single replacement (redox) reaction
More information2) Solve for protons neutrons and electrons for the bromide ION.
1) Write the formulas for the following a) Calcium nitride c)lithium hydroxide b) Iron (III) sulfide d) sulfuric acid 2) Solve for protons neutrons and electrons for the bromide ION. 3) Write the electron
More informationc. Methane and oxygen react to form carbon dioxide and water
Name: Date: Period: REVIEW CHAPTERS 10 AND 18 1. Identify the type of each of the following reactions: a. 2Mg + O 2 2 MgO Synthesis b. Fe + CuSO 4 FeSO 4 + Cu Single-Replacement (SR) c. CaCO 3 CaO + CO
More informationChemical Reactions. Chapter Test A. Multiple Choice. 1 Pearson Education, Inc., or its affiliates. All rights reserved.
Name Date Class Chemical Reactions Chapter Test A Multiple Choice Write the letter of the correct answer on the line at the left. 1. Chemistry is a. a characteristic of a substance that can be observed
More information8 Chemical Equations. Flames and sparks result when aluminum foil is dropped into liquid bromine.
8 Chemical Equations Flames and sparks result when aluminum foil is dropped into liquid bromine. Chapter Outline 8.1 The Chemical Equation 8.2 Writing and Balancing Chemical Equations 8.3 Types of Chemical
More informationChemical Reaction Defn: Chemical Reaction: when starting chemical species form different chemicals.
Chemical Reaction Defn: Chemical Reaction: when starting chemical species form different chemicals. Evidence to indicate that a chemical reaction has occurred: Temperature change Different coloured materials
More informationChemical Reactions. Before You Read. Chemical Reactions. Science Journal
Chemical Reactions Before You Read Before you read the chapter, respond to these statements 1 Write an A if you agree with the statement 2 Write a D if you disagree with the statement Before You Read Chemical
More information1. Matter is anything that has mass and volume. 2. What is the difference between a physical change and a chemical change?
Name Chemistry: Matter, Water, Acids & Bases, and Macromolecules Study Guide This study guide is a good representation of what you will need to know for your test. You are responsible for completing the
More informationed. Brad Collins Aqueous Chemistry Chapter 5 Some images copyright The McGraw-Hill Companies, Inc. Sunday, August 18, 13
ed. Brad Collins Aqueous Chemistry Chapter 5 Some images copyright The McGraw-Hill Companies, Inc. A solution is a homogenous mixture of 2 or more substances at the molecular level The solute(s) is(are)
More informationTYPES OF CHEMICAL REACTIONS SYNTHESIS (COMPOSITION), DECOMPOSITION AND REPLACEMENT (SINGLE AND DOUBLE), AND COMBUSTION
TYPES OF CHEMICAL REACTIONS SYNTHESIS (COMPOSITION), DECOMPOSITION AND REPLACEMENT (SINGLE AND DOUBLE), AND COMBUSTION YOU CAN THINK OF ATOMS AS PEOPLE GETTING TOGETHER AS COUPLES... Analogy One person
More information12/17/2014. Introduction to Chemical Reactions. The table below shows symbols commonly used in chemical equations:
A chemical reaction is the process by which substances transform into new substances having chemical and physical properties that differ from those of the original substances. This lesson will include
More informationCHEMICAL REACTIONS. Discuss breaking/forming bonds 10/29/2012. Products Reactants
CHEMICAL REACTIONS - Page 321 Products Reactants Reactants: Zn + I 2 Product: Zn I 2 Discuss breaking/forming bonds Chemical Reaction or Change process in which one or more substances are converted into
More informationChemistry Over view.notebook November 12, 2014
Science 1206 1 Unit 2: Chemistry p.170 171 What is chemistry? What is matter? How does chemistry affect our everyday life? How would you test to see if these common chemicals are present? O 2 CO 2 http://www.youtube.com/watch?v=6huyuxjby3e
More informationAtoms. - Proton - Neutron. - Electron
Chemistry of Life Atoms - The basic unit of matter is called an Atom - Atoms are incredibly small, but despite its extremely small size, an atom contains subatomic particles that are even smaller - Three
More informationMs. Levasseur Biology
Ms. Levasseur Biology Atom: the actual basic unit - composed of protons, neutrons, and electrons Element: a substance that cannot be broken down into simpler substances pure Molecule: a substance made
More informationCharacteristics & Types of Chemical Reactions
Characteristics & Types of Chemical Reactions What is a chemical reaction? Another name for a chemical change Bonds break and atoms of one or more substances are rearranged and new bonds form New substance(s)
More information