1. (8 pts) Circle the formula (only one) that best fits each of the following descriptions:
|
|
- Carmella Dickerson
- 5 years ago
- Views:
Transcription
1 1. (8 pts) Circle the formula (only one) that best fits each of the following descriptions: a. largest radius 2 b. stronger acid (first ionization) HN 3 H 3 P 4 H 2 S 4 c. largest radius N 3 2 F e. highest boiling point NH 3 H 2 N 2 H 4 2. (8 pts) By considering the bonding in liquids and solids, arrange the following substances from highest to lowest melting point. NaCl Na Cl 2 Si 2 3. (6 pts) Draw the Lewis structures. Circle the shortest nitrogen-oxygen bond. In each of the molecules, nitrogen is the central atom. H 2 NH N 2 N 2 N 3 4. (6 pts) Circle the longest nitrogen-oxygen bond. In each of the molecules, nitrogen is the central atom. H 2 NH N 2 N 2 N 3 5. (6 pts) Write balanced reactions for each of the following. a. complete combustion of 2-methyl-2-propanol b. the oxidation of aluminum metal in air 1
2 6. (4 pts) Give the systematic name for the following compounds. [Co(en) 2 Br 2 ]Cl 7. (4 pts) The complex [Co(en) 2 Br 2 ]Br is low spin. Draw the d-orbital diagram, including the electrons. E 8. (4 pts) The color of an aqueous solution of [Ni(H 2 ) 6 ] 2+ is green and the color of an aqueous solution of [Co(H 2 ) 6 ] 2+ is red. Which solution absorbs light of longer wavelength? a) [Ni(H 2 ) 6 ] 2+ b) [Co(H 2 ) 6 ] (4 pts) Draw the optical isomers of alanine. 10. (4 pts) Draw the structural formulas for each of the following. a. cis-2,3-dichloro-2-hexene b. 1,3,5-trinitrobenzene 11. (4 pts) Draw an aldehyde that is an isomer of acetone (dimethyl ketone). 2
3 12. a) (2 pts) Aspartame, the artificial sweetener marketed under the name NutraSweet, is a methyl ester of a dipeptide. Circle the asymmetric carbon atoms (chiral centers) in the structure of aspartame shown. CCH 3 H 2 N CH C NH CH CH 2 CH 2 CH b) (6 pts) What two amino acids are used to prepare aspartame. Draw the structures of the two amino acids. 13. (22 pts) Circle the formula (only one) that best fits each of the following descriptions: a. binds more strongly to hemoglobin C 2 b. higher boiling point CH 3 CH 2 H CH 3 CH 3 c. highest melting point CCl 4 HCl NaCl d. lowest vapor pressure at 25 o C Si 2 C 2 H 2 e. is the smallest ion F Na + Mg 2+ Al 3+ f. lowest freezing point CH 4 H 2 C g. highest H vaporization HF HCl h. greatest polarizability He Ne Ar Kr i. stronger bond SiSi Si j. most ionic in character H 2 S S 2 P 2 S 3 K 2 S k. strongest bond NaNa KK LiLi RbRb 14. (6 pts) H 3 P 2 is a monoprotic acid. Draw the structure and circle the acidic hydrogen. 3
4 15. (8 pts) What is the hybridization on the four carbon atoms indicated? H C CH 3 NH 2 CH 2 C N C = CH Hybridization on first carbon: Hybridization on third carbon: Hybridization on second carbon: Hybridization on fourth carbon: 16. (4 pts) Indicate the bond angles, a, b, c and d. H C CH 3 a NH 2 CH 2 C N C = CH 2 Angle a: Angle c: b c d Angle b: Angle d: 17. (8 pts) Indicate the dominant intermolecular force for each of the following substances. a) SeF 2 b) CH 2 d) CH 3 CH 3 e) (NH 2 ) 2 C 18. (4 pts) A substance does not conduct electricity unless it is melted. It is hard and has a high melting point. These properties are characteristic of which one of the following crystalline solids? Circle the correct answer. a) ionic b) metallic c) molecular d) covalent (atomic network) 19. (6 pts) Indicate the type of crystalline solid formed for each of the following substances. a) Diamond b) P 4 c) Ca 4
5 20. (4 pts) The structures for cyclobenzophenone and cyclohexanone are shown as follows. cyclobenzophenone cyclohexanone a) Are all the atoms in the same plane in the cyclobenzophenone? Circle the answer. Yes No b) Are all the atoms in the same plane in the cyclohexanone? Circle the answer. Yes No 21. (4 pts) Write the electron configuration and the bond order predicted by the M model for each of the following species. electron configuration bond order a. CN b. CN 22. (4 pts) Draw the structure of Leu-Ala-Cys in that order. 23. (4 pts) Circle the chiral carbons in the following molecule, progesterone. C CH 3 CH 3 CH (4 pts) Polyvinyl chloride is an addition polymer of chloroethene (commonly called vinyl chloride). Draw the repeating unit for polyvinyl chloride. CH 2 =CHCl 5
6 25. (8 pts) A solution is made by dissolving 25.0 g of urea, (NH 2 ) 2 C, in 275 g of water. Calculate the vapor pressure of this solution at 25 o C. The vapor pressure of pure water is 23.8 torr at 25 o C. 26. (10 pts) You have a gram mixture of table sugar (C 12 H ) and table salt (NaCl). When this mixture is dissolved in 150 grams of water, the freezing point is 2.24 o C. Calculate the percent by mass of sugar in the dry mixture. K f = 1.86 o C kg / mol 27. Write the balanced equation for the condensation reaction of each of the following. a. (3 pts) Condensation of acetic acid (CH 3 CH) with ethyl alcohol to produce an ester. b. (3 pts) Condensation of glycine with dimethyl amine to produce an amide. 6
2. (12 pts) Write the reactions that correspond to the following enthalpy changes: a) H f o for solid aluminum oxide.
1. (6 pts) Given the following data at 25 o C: 2 O 3 (g) > 3 O 2 (g) H o = 427 kj O 2 (g) > 2 O (g) H o = 495 kj NO (g) + O 3 (g) > NO 2 (g) + O 2 (g) H o = 199 kj Calculate H o for the following reaction
More information1. How many grams of Cr can be produced by the reaction of 44.1 g of Cr 2 O 3 with 35.0 g of Al according to the following chemical reaction?
Final Exam Revision 1. How many grams of Cr can be produced by the reaction of 44.1 g of Cr 2 O 3 with 35.0 g of Al according to the following chemical reaction? 2Al + Cr 2 O 3 Al 2 O 3 + 2Cr Ans: 30.2
More informationMolecular Geometry: VSEPR model stand for valence-shell electron-pair repulsion and predicts the 3D shape of molecules that are formed in bonding.
Molecular Geometry: VSEPR model stand for valence-shell electron-pair repulsion and predicts the 3D shape of molecules that are formed in bonding. Sigma and Pi Bonds: All single bonds are sigma(σ), that
More informationChem 1A Dr. White Fall 2015 Exam 3 Practice Problems
Exam 3 Practice Problems 1. The face centered cubic cell of copper has an edge length of 0.362 nm. Calculate the density of copper (g/cm 3 ). 2. Consider the following ionic substances and arrange them
More informationBent linear trigonal planar trigonal pyramidal Polar nonpolar nonpolar polar Sp 3 sp sp 2 sp 3
Name period ap chemistry unit 3 worksheet 1. What are structural isomers? Draw two isomers of pentane. Compounds with the same formula but different structures. See in class 2. give the formula for each
More informationUnit 5: Bonding Covalent & Intermolecular
Name Unit 5: Bonding Covalent & Intermolecular Date Part 2 Questions 1. Ozone, O3 (g), is produced from oxygen, O2 (g) by electrical discharge during thunderstorms. The unbalanced equation below represents
More informationIntermolecular Forces and Physical Properties
Intermolecular Forces and Physical Properties Attractive Forces Particles are attracted to each other by electrostatic forces. The strength of the attractive forces depends on the kind(s) of particles.
More informationBonding Mrs. Pugliese. Name March 02, 2011
Bonding Mrs. Pugliese Name March 02, 2011 1. Atoms of which element have the greatest tendency to gain electrons? 1. bromine 3. fluorine 2. chlorine 4. iodine 2. Which polyatomic ion contains the greatest
More informationChem 127, Final Exam December 14, 2001
I. (55 points) This part of the final corresponds to Exam I. It covers the material in Chapters 1, 2 and 3. A. (8 points) Fill in the empty boxes with the appropriate symbol, number, word or charge. Nuclear
More informationMultiple Choice. Multiple Choice
1. At what temperature in degree Celcius is the value in degree Fahrenheit twice of that in degree Celcius? A) 160 o C B) -24.6 o C C) 6.4 o C D) 22.2 o C E) 32 o C 2. The correct name for NaOCl is, A)
More informationName:. Correct Questions = Wrong Questions =.. Unattempt Questions = Marks =
Name:. Correct Questions = Wrong Questions =.. Unattempt Questions = Marks = 1. Which salt is colorless? (A) KMn 4 (B) BaS 4 (C) Na 2 Cr 4 (D) CoCl 2 2. Which 0.10 M aqueous solution exhibits the lowest
More informationChemistry 116 Pre-test Some questions from Chem 115 Final exam; Fall 2014
1. The mass of a sample is 550 milligrams. Which of the following expresses that mass in kilograms? a. 5.5 10 8 kg b. 5.5 10 5 kg c. 5.5 10 4 kg d. 5.5 10 6 kg e. 5.5 10 1 kg 2. Select the answer that
More informationChem 124 Exam 1 Spring 2016 Version 1 Name
Chem 124 Exam 1 Spring 2016 Version 1 Name TOTAL POINTS - 116 MULTIPLE CHOICE 1.4 POINTS EACH 1) A molecule containing a central atom with sp 3 hybridization has a(n) electron geometry. A) linear B) tetrahedral
More informationCHM151 Quiz Pts Fall 2013 Name: Due at time of final exam. Provide explanations for your answers.
CHM151 Quiz 12 100 Pts Fall 2013 Name: Due at time of final exam. Provide explanations for your answers. 1. Which one of the following substances is expected to have the lowest melting point? A) BrI B)
More informationName Practice IMFs and VP
Name Practice IMFs and VP Date 5916. Which formula represents a nonpolar molecule containing polar covalent bonds? A) NH3 B) H2 C) CCl4 D) H2O 408. In substances that sublime, the forces of attraction
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 informationBonding Practice Problems
NAME 1. When compared to H 2 S, H 2 O has a higher 8. Given the Lewis electron-dot diagram: boiling point because H 2 O contains stronger metallic bonds covalent bonds ionic bonds hydrogen bonds 2. Which
More informationMonday Night Final Review Fall 2004
CHEMISTRY 101 1 Monday Night Final Review Fall 2004 1. Which of the following boils at the highest temperature? (a) CH 4 (b) C 2 H 6 (c) C 3 H 8 (d) C 4 H 10 (e) C 5 H 12 2. What is the total ionic equation
More informationWhich statement best describes the energy change as bonds are formed or broken in this reaction?
1. Given the reaction: I 2 I + I Which statement best describes the energy change as bonds are formed or broken in this reaction? A) The forming of the I-I bond releases energy B) The forming of the I-I
More informationPart A Answer all questions in this part.
Part A Directions (1-24): For each statement or question, record on your separate answer sheet the number of the word or expression that, of those given, best completes the statement or answers the question.
More informationQuestions 1 to 58 must be answered on the Scantron sheets.
Questions 1 to 58 must be answered on the Scantron sheets. Base your answers to questions 1 to 5 on the heating curve for a pure substance that is shown below. 1. The freezing point of the substance is
More informationUnit Five: Intermolecular Forces MC Question Practice April 14, 2017
Unit Five: Intermolecular Forces Name MC Question Practice April 14, 2017 1. Which of the following should have the highest surface tension at a given temperature? 2. The triple point of compound X occurs
More informationName: Midterm Review Date:
Name: Midterm Review Date: 1. Which statement concerning elements is true? A) Different elements must have different numbers of isotopes. B) Different elements must have different numbers of neutrons.
More informationAdvanced Chemistry Liquid & Solids Test
Advanced Chemistry Liquid & Solids Test Name: Multiple Choice 1) Which one of the following statements about liquids and solids is generally false? a) The rate of diffusion is lower in solids b) The density
More informationIB Topics 4 & 14 Multiple Choice Practice
IB Topics 4 & 14 Multiple Choice Practice 1. Which compound has the shortest C N bond? CH 3NH 2 (CH 3) 3CNH 2 CH 3CN CH 3CHNH 2. Which of the following series shows increasing hydrogen bonding with water?
More informationName CHEMICAL BONDING REVIEW Date Ms. Zavurov
Name CHEMICAL BONDING REVIEW Date Ms. Zavurov Per 1. As a chemical bond forms between two hydrogen atoms in a system, energy is released and the stability of the system A) decreases B) increases C) remains
More informationFall Possibly Useful Information: 1 atm = lb/in 2 = kpa. 1 atm = 101,325 N/m 2 = 760 mmhg. 1 atm = 101,325 Pa = 1.
Chemistry 122 (Tyvoll) Fall 2005 PRACTICE EXAMINATION I Possibly Useful Information: 1 atm = 14.70 lb/in 2 = 101.325 kpa 1 atm = 101,325 N/m 2 = 760 mmg 1 atm = 101,325 Pa = 1.01325 bar 1 atm = 1013.25
More information4. What is the number of unpaired electrons in Ni? Chemistry 12 Final Exam Form A May 4, 2001
Chemistry 12 Final Exam Form A May 4, 2001 In all questions involving gases, assume that the ideal-gas laws hold, unless the question specifically refers to the non-ideal behavior. 1. Which of the following
More informationON YOUR SCANTRON: BUBBLE IN YOUR 7 DIDGIT PERM
Chem 1C - Spring 2010 - FINAL EXAM ON YOUR SCANTRON: BUBBLE IN YOUR 7 DIDGIT PERM (Leaving the last three digits blank) BUBBLE IN THE VERSION: WRITE YOUR NAME AT THE END, HAND IN ONLY THE SCANTRON. INFORMATION
More informationCHEMISTRY 1A Fall 2010 Final Exam Key
CHEMISTRY 1A Fall 2010 Final Exam Key YOU MIGHT FIND THE FOLLOWING USEFUL; 0.008314 kj H E ( n)rt R = K mol 0.00418 kj q C cal m w T g C H rxn = H f (products) H f (reactants) Electronegativities H 2.2
More informationWater & Solutions Chapter 17 & 18 Assignment & Problem Set
Water & Solutions Chapter 17 & 18 Assignment & Problem Set Name Warm-Ups (Show your work for credit) Date 1. Date 2. Date 3. Date 4. Date 5. Date 6. Date 7. Date 8. Water & Solutions 2 Vocabulary (know
More informationGENERAL CHEMISTRY I CHEM SYSTEM FINAL EXAM VERSION A Fall 2016
GENERAL CHEMISTRY I CHEM 1411 SYSTEM FINAL EXAM VERSION A Fall 2016 Departmental Final Exam General Chemistry I, CHEM 1411 Fall 2016 VERSION A Part I: 35 Multiple Choice (2 pts each). Directions: Select
More informationQ1. The table below shows the boiling points of some hydrogen compounds formed by Group 6 elements. S H 2 O H 2. Boiling point / K
Q1. The table below shows the boiling points of some hydrogen compounds formed by Group 6 elements. H O H S H Se H Te Boiling point / K 373 1 3 71 (a) State the strongest type of intermolecular force in
More informationTime: 3 hours INSTRUCTIONS:
Time: 3 hours INSTRUCTIONS: 1. Show all calculations in order to receive any credit. 2. A periodic table will be given to you. 3. Rough work should be done on the back of the pages. 4. Be sure this exam
More informationChem 11 Exam Preparation
Chem 11 Exam Preparation Format: You won t be surprised it looks like a longer version of your quizzes Part A: Multiple Choice without calculations. 60 questions worth ½ pt each. 30 points total. Part
More informationWorkbook 3 Problems for Exam 3
Chem 1A Dr. White 1 Workbook 3 Problems for Exam 3 3-1: Types of Solids 1. What type of crystal will each of the following substances form in its solid state? Choices to consider are ionic, metallic, network,
More informationSoluble: A solute that dissolves in a specific solvent. Insoluble: A solute that will not dissolve in a specific solvent. "Like Dissolves Like"
Solutions Homogeneous Mixtures Solutions: Mixtures that contain two or more substances called the solute and the solvent where the solute dissolves in the solvent so the solute and solvent are not distinguishable
More informationChemistry, Bonding Practice Set 1 Spring, Regents Prep
Name: Date: Pd: Chemistry, Bonding Practice Set 1 Spring, Regents Prep 1. Compared to a calcium atom, the calcium ion Ca 2+ has (1) fewer electrons (2) more protons (3) fewer protons (4) more electrons
More informationHonors Chemistry. Chapter 10: Forces of Attraction, Phase Change, Date / / Period and Solids Answer Key. Intermolecular and Intramolecular Forces
Honors Chemistry Name Chapter 10: Forces of Attraction, Phase Change, Date / / Period and Solids Answer Key Complete each of the following questions directly on this worksheet. Intermolecular and Intramolecular
More informationChapter 10. Dipole Moments. Intermolecular Forces (IMF) Polar Bonds and Polar Molecules. Polar or Nonpolar Molecules?
Polar Bonds and Polar Molecules Chapter 10 Liquids, Solids, and Phase Changes Draw Lewis Structures for CCl 4 and CH 3 Cl. What s the same? What s different? 1 Polar Covalent Bonds and Dipole Moments Bonds
More informationKWANTLEN UNIVERSITY COLLEGE DEPARTMENT OF CHEMISTRY
KWANTLEN UNIVERSITY COLLEGE DEPARTMENT OF CHEMISTRY Final Examination: CHEM 1110 Name: Student Number: December 17, 2001 Time: 3 hours INSTRUCTIONS: 1. All calculations must be shown in order to receive
More informationVERSION B Yellow. perm. version. name. Chem 1C - Spring exam 2
Chem 1C - Spring 2010 - exam 2 VERSION B Yellow ON YOUR SCANTRON: BUBBLE IN YOUR 7 DIDGIT PERM (Leaving the last three digits blank) BUBBLE IN THE VERSION: B WRITE YOUR NAME AT THE END, HAND IN ONLY THE
More information9. Which compound is an alcohol? A) methanol C) butane B) ethyne D) propanal
1. Given the structural formulas for two organic compounds: The differences in their physical and chemical properties are primarily due to their different A) number of hydrogen atoms B) number of carbon
More informationName 2/14 Bonding Page 1
Bonding Page 1 Name 2/14 1. Which formula represents an ionic compound? A) NaCl B) N2O C) HCl D) H2O 2. Which type of bond results when one or more valence electrons are transferred from one atom to another?
More informationChemistry Unit: Chemical Bonding (chapter 7 and 8) Notes
Name: Period: Due Date: 1-18-2019 / 100 Formative pts. Chemistry Unit: Chemical Bonding (chapter 7 and 8) Notes Topic-1: Review: 1. Valence electrons: The electrons in the outermost of an atom Valence
More information2. What is the charge of the nucleus in an atom of oxygen-17? (1) 0 (2) 2 (3) +8 (4) +17
60 Most Missed Chemistry Regents Exams Questions 1. In the wave-mechanical model, an orbital is a region of space in an atom where there is (1) a high probability of finding an electron (2) a high probability
More informationChemistry Final Exam Sample Items
Chemistry Final Exam Sample Items 1. Which best describes the current atomic theory? a. Atoms consist of electrons circling in definite orbits around a positive nucleus. b. Atoms are composed of electrons
More informationUnit 5: Bonding. Place a checkmark next to each item that you can do. If a sample problem is given, complete it as evidence.
Unit 5: Bonding Place a checkmark next to each item that you can do. If a sample problem is given, complete it as evidence. Intramolecular Forces: 1. I can define intramolecular forces and intermolecular
More informationBonding Review Questions
Name: Date: 1. As an Na atom forms an Na 2+ ion, the number of protons in its nucleus 4. Atoms of which of the following elements have the strongest attraction for electrons? A. decreases B. increases
More information14. Use reactions 1 and 2 to determine the value of H (in kj) for reaction 3.
11. A 2.85 g sample of a food substance was burned in a calorimeter that had a heat capacity of 9.84 kj/ C. The temperature of the calorimeter increased from 22.51 C to 35.66 C. Calculate the amount of
More informationUnit 5: Bonding. Place a checkmark next to each item that you can do. If a sample problem is given, complete it as evidence.
Unit 5: Bonding Place a checkmark next to each item that you can do. If a sample problem is given, complete it as evidence. Intramolecular Forces: forces of attraction within the same molecule. Examples:
More informationA) first electron shell D) are located in orbitals outside the nucleus A) 2-3 D) 18 A) K and Na C) a mixture C) Sb2O5
1. In a calcium atom in the ground state, the electrons that possess the least amount of energy are located in the A) first electron shell B) second electron shell C) third electron shell D) fourth electron
More informationCHEMISTRY 102B Hour Exam III. Dr. D. DeCoste T.A. Show all of your work and provide complete answers to questions 16 and (45 pts.
CHEMISTRY 102B Hour Exam III April 28, 2016 Dr. D. DeCoste Name Signature T.A. This exam contains 17 questions on 8 numbered pages. Check now to make sure you have a complete exam. You have one hour and
More informationVERSION A White. perm. version. name. Chem 1C - Spring exam 2
Chem 1C - Spring 2010 - exam 2 VERSION A White ON YOUR SCANTRON: BUBBLE IN YOUR 7 DIDGIT PERM (Leaving the last three digits blank) BUBBLE IN THE VERSION: A WRITE YOUR NAME AT THE END, HAND IN ONLY THE
More informationUnit 4:Chemical Bonding Practice Packet
Name: KEY Unit 4:Chemical Bonding Practice Packet 1. I can state the three types of chemical bonds. 2. I can state the number of valence electrons that an atom attains to be most stable. 3. I can state
More informationCHEMISTRY 110 EXAM 3 April 2, 2012 FORM A 1. Which plot depicts the correct relationship between the volume and number of moles of an ideal gas at constant pressure and temperature? 2. The height of the
More informationWhich substance is an ionic compound? A) A B) B C) C D) D
1. A chemical bond results when two nuclei have a simultaneous attraction for A) nucleons B) protons C) neutrons D) electrons 2. What occurs when two fluorine atoms react to produce a fluorine molecule?
More informationChapter 1: Structure and Bonding
1. What is the ground-state electronic configuration of a carbon atom? A) 1s 2, 2s 2, 2p 5 B) 1s 2, 2s 2, 2p 2 C) 1s 2, 2s 2, 2p 6 D) 1s 2, 2s 2, 2p 4 2. What is the ground-state electronic configuration
More information1 Which of the following compounds has the lowest solubility in water? (4 pts)
version: 516 Exam 1 - Sparks This MC portion of the exam should have 19 questions. The point values are given with each question. Bubble in your answer choices on the bubblehseet provided. Your score is
More informationChapter 7. Ionic & Covalent Bonds
Chapter 7 Ionic & Covalent Bonds Ionic Compounds Covalent Compounds 7.1 EN difference and bond character >1.7 = ionic 0.4 1.7 = polar covalent 1.7 Electrons not shared at
More informationIllinois JETS Academic Challenge Chemistry Test (District) Useful Information. PV = nrt R = L atm mol -1 K -1.
Useful Information PV = nrt R = 0.08206 L atm mol -1 K -1 Q = m x T x s 1 atm = 760 torr Avogadro's number = 6.022 x 10 23 K = C + 273 ph = -log [H + ] 1 1 E = (-R H ) - n 2 n 2 f i R H = 2.18 x 10-18
More informationPROPERTIES OF SOLIDS SCH4U1
PROPERTIES OF SOLIDS SCH4U1 Intra vs. Intermolecular Bonds The properties of a substance are influenced by the force of attraction within and between the molecules. Intra vs. Intermolecular Bonds Intramolecular
More informationDepartment of Chemistry. Chemistry 121: Atomic and Molecular Chemistry. Final Examination Wednesday, December 7, 2011 Time: 9:00am 12:00
Student Name: Student Number: The Irving K. Barber School of Arts and Sciences Department of Chemistry Chemistry 121: Atomic and Molecular Chemistry Professors: Dr. Penny Parkeenvincha & Dr. Rob O Brien
More informationName: Class: Date: ID: A
Name: Class: _ Date: _ CH11 1. Order the intermolecular forces (dipole-dipole, London dispersion, ionic, and hydrogen-bonding) from weakest to strongest. A) dipole-dipole, London dispersion, ionic, and
More informationAP Chemistry Summer Review Assignment
Name: Period: Chem I Teacher/year: AP Chemistry Summer Review Assignment Due on the FIRST DAY OF SCHOOL! A. Chemical Foundations 1. The beakers shown below have different precisions. a. Label the amount
More informationWeek 8 Intermolecular Forces
NO CALCULATORS MAY BE USED FOR THESE QUESTIONS Questions 1-3 refer to the following list. (A) Cu (B) PH 3 (C) C (D) SO 2 (E) O 2 1. Contains instantaneous dipole moments. 2. Forms covalent network solids.
More informationThere are two types of bonding that exist between particles interparticle and intraparticle bonding.
There are two types of bonding that exist between particles interparticle and intraparticle bonding. Intraparticle bonding describes the forces that exist within a particle such as a molecule or ionic
More informationMULTIPLE CHOICE 2 points each
Name: Date: Score: / 110 Chapter 1/ TEST 1 OPEN BOOK KEY Organic Chemistry MULTIPLE CHOICE 2 points each 1. An atom of which element would have an electron configuration of 1s 2 2s 2 2p 6 3s 2 3p 1? a.
More informationADVANCED PLACEMENT CHEMISTRY CHAPTERS 7, 8 AND 9 REVIEW QUESTIONS
1. What is the minimum wavelength (in nm) of a photon of light that can excite an electron in the hydrogen atom from the n = 1 to the n = 8 energy level? 2. A carbonoxygen double bond in a certain organic
More informationPercent Composition and Empirical Formulas
Percent Composition and Empirical Formulas Content Objectives SWBAT calculate the percent composition by mass of each element in a compound. SWBAT calculate the empirical formula of a compound based on
More informationExample 9.1 Using Lewis Symbols to Predict the Chemical Formula of an Ionic Compound
Example 9.1 Using Lewis Symbols to Predict the Chemical Formula of an Ionic Compound For Practice 9.1 Use Lewis symbols to predict the formula for the compound that forms between magnesium and nitrogen.
More informationChemistry 122 (Tyvoll) ANSWERS TO PRACTICE EXAMINATION I Fall 2005
hemistry 122 (Tyvoll) ANSWERS T PRATIE EXAMINATIN I Fall 2005 1. Which statement is not correct? 1) A volatile liquid has a high boiling point. 2. Which of the following compounds is predicted to have
More informationChemistry 1411 Practice Exam 2, Chapters 5-8 Brown
Chemistry 1411 Practice Exam 2, Chapters 5-8 Brown Some constants and equations: E = q + w q = C p T Heat = m T Cs h = 6.626 X 10 34 J. s c = 2.998 X 10 8 m/s R H = 2.18 X 10 18 J E = (2.18 X 10 18 J)(1/n
More information51. Pi bonding occurs in each of the following species EXCEPT (A) CO 2 (B) C 2 H 4 (C) CN (D) C 6 H 6 (E) CH 4
Name AP Chemistry: Bonding Multiple Choice 41. Which of the following molecules has the shortest bond length? (A) N 2 (B) O 2 (C) Cl 2 (D) Br 2 (E) I 2 51. Pi bonding occurs in each of the following species
More informationPRACTICE QUESTIONS FOR EXAM I Spring 2014 This has been updated after Monday s lecture (2/17/14)
Page 1 Chem 123 PRACTICE QUESTINS FR EXAM I Spring 2014 This has been updated after Monday s lecture (2/17/14) I AM NT PRVIDING ANSWERS T THESE. PLEASE REVIEW YUR TEXTBK AND LECTURE NTES IF YU DN T KNW
More informationChapter 19 Chemical Thermodynamics
Chapter 19. Chemical Thermodynamics Sample Exercise 19.2 (p. 819) Elemental mercury is a silver liquid at room temperature. Its normal freezing point is -38.9 o C, and its molar enthalpy of fusion is H
More informationKey Multiple Choice (5 pts each)
Key Multiple Choice (5 pts each) Identify the choice that best completes the statement or answers the question. CAREFULLY fill in the correct answer on the BUBBLE SHEET provided. Marks on this exam paper
More informationLesson 1: Stability and Energy in Bonding Introduction
Lesson 1: Stability and Energy in Bonding Introduction Chemical bonding is the simultaneous attraction of two positive nuclei to negative electrons. Chemical bonding is said to be the glue that holds particles
More information1. What is the formula for the compound formed by calcium and nitrogen?
IB Chem 1 Name Topic 4 Bonding - Sample Test Problems 1. What is the formula for the compound formed by calcium and nitrogen? A. CaN B. Ca 2 N C. Ca 2 N 3 D. Ca 3 N 2 2. Element X is in group 2, and element
More informationCHEMISTRY 110 EXAM 2 Feb 25, 2013 FORM A
EMISTRY 110 EXAM 2 Feb 25, 2013 FORM A 1. ow many valence electrons and lone pairs are in the structure of the ammonium ion? # valence electrons # lone pairs A. 8 0 B. 10 1. 8 1 D. 10 2 E. 12 3 2. Which
More informationChemical Reactions and Equations
Chemical Reactions and Equations 1991 B The molecular formula of a hydrocarbon is to be determined by analyzing its combustion products and investigating its colligative properties. (a) The hydrocarbon
More information1st Semester Review Worth 10% of Exam Score
1st Semester Review 2014-2015 Worth 10% of Exam Score Name: P: 1. Which of the following is the correct electron configuration for a neutral atom of oxygen in the ground state? A) 1s 2 2p 4 B) 1s 2 2s
More information5. All isotopes of a given element must have the same (A) atomic mass (B) atomic number (C) mass number (D) number of neutrons
1. Which substance can be decomposed by a chemical change? (A) beryllium (B) boron (C) methanol (D) magnesium 2. The particles in a crystalline solid are arranged (A) randomly and far apart (B) randomly
More informationStates of matter
3.1.3.4 States of matter 261 minutes 257 marks Page 1 of 30 Q1. (a) Describe the bonding in a metal. Explain why magnesium has a higher melting point than sodium. (4) (b) Why do diamond and graphite both
More information1. When two pure substances are mixed to form a solution, then always
Name: Date: 1. When two pure substances are mixed to form a solution, then always A) there is an increase in entropy. B) there is a decrease in entropy. C) entropy is conserved. D) heat is released. E)
More informationChemistry 1-2E Semester I Study Guide
Chemistry 1-2E Semester I Study Guide Name Hour Chapter 1 1. Define the following terms. Matter Mass Law of Conservation of Mass 2. Define and give 2 examples of the following: Pure substance Element Compound
More informationUseful Information Provided on Exam 1. Sections Covered on Exam , 10.2, 10.8,
Chem 101B Exam 1 Study Questions Name: Chapters 10(partial), 11 & 12(partial) Review Tuesday 2/7/2017 Due on Exam Thursday 2/9/2017 (Exam 1 date) This is a homework assignment. Please show your work for
More informationSolutions. Chapter 14 Solutions. Ion-Ion Forces (Ionic Bonding) Attraction Between Ions and Permanent Dipoles. Covalent Bonding Forces
Solutions Chapter 14 1 Brief Review of Major Topics in Chapter 13, Intermolecular forces Ion-Ion Forces (Ionic Bonding) 2 Na + Cl - in salt These are the strongest forces. Lead to solids with high melting
More information(A) 10 (B) 10 (C) 140 (D) 140 (E) 70 7.Calculate the ionization energy, in kj/mol, of a mole of hydrogen atoms in the ground state.
80 1.The term that describes the following series Ne, F -, 2-, and N 3- is (A) Isotopic (C) isobar anionic 2.Which oxide of chlorine is unstable? (B) isoelectronic allotropic (A) Cl 2 (B) Cl 2 3 (C) Cl
More informationCHM 130: Final Exam Practice Problems
CHM 130: Final Exam Practice Problems 1. Complete the following table: Isotope Mass number # of protons # of neutrons # of electrons strontium-90 neon-19 iron-55 2. Consider Figures A-F below: A B C D
More informationChapter 11 Review Packet
Chapter 11 Review Packet Name Multiple Choice Portion: 1. Which of the following terms is not a quantitative description of a solution? a. molarity b. molality c. mole fraction d. supersaturation 2. Which
More informationMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The F-B-F bond angle in the BF3 molecule is. A) 109.5e B) 120e C) 180e D) 90e E) 60e
More informationChem Hughbanks Final Exam, May 11, 2011
Chem 107 - Hughbanks Final Exam, May 11, 2011 Name (Print) UIN # Section 503 Exam 3, Version # A On the last page of this exam, you ve been given a periodic table and some physical constants. You ll probably
More informationANSWERS CIRCLE CORRECT SECTION
CHEMISTRY 162 - EXAM I June 08, 2009 Name: SIGN: RU ID Number Choose the one best answer for each question and write the letter preceding it in the appropriate space on this answer sheet. Only the answer
More informationChem Midterm 3 April 23, 2009
Chem. 101 - Midterm 3 April 3, 009 Name All work must be shown on the exam for partial credit. Points will be taken off for incorrect or no units and for the incorrect number of significant figures. Only
More informationCHAPTER 3 ATOMS ATOMS MATTER 10/17/2016. Matter- Anything that takes up space (volume) and has mass. Atom- basic unit of matter.
CHAPTER 3 MATTER Matter- Anything that takes up space (volume) and has mass. Matter Combining Matter States of Matter Atom- basic unit of matter. Subatomic particles- protons, neutrons, and electrons.
More informationChemistry 11 Course Review
Unit 1. Nature of Matter lass Assignments Hand-In #1 Unit onversions Hand-In #2 Significant Digits Hand-In #3 Separation Methods and Phase hange 1. Give the number of significant digits in each of the
More informationCartoon courtesy of NearingZero.net. Chemical Bonding and Molecular Structure
Cartoon courtesy of NearingZero.net Chemical Bonding and Molecular Structure Chemical Bonds Forces that hold groups of atoms together and make them function as a unit. 3 Major Types: Ionic bonds transfer
More informationGeneral Chemistry A
General Chemistry 1140 - A May 5, 2005 (6 Pages, 48 Questions) ame 1. Which of the following properties is a general characteristic of solids? (A) Solids have a rigid shape and fixed volume (B) Solids
More informationPRACTICE EXAMINATION QUESTIONS FOR 1.1 ATOMIC STRUCTURE (includes some questions from 1.4 Periodicity)
PRACTICE EXAMINATION QUESTIONS FOR 1.1 ATOMIC STRUCTURE (includes some questions from 1.4 Periodicity) 1. At room temperature, both sodium metal and sodium chloride are crystalline solids which contain
More information