CHEM 1412 Practice Exam 1 - Chapters Zumdahl
|
|
- Diane Osborne
- 6 years ago
- Views:
Transcription
1 CHEM 1412 Practice Exam 1 - Chapters Zumdahl Some equations and constants: T = Km P = XP = MRT ln[a]t = kt + ln[a]o 1 / [A]t = kt + 1 / [A]o t1/2 = ln(2) / k t1/2 = 1 / k{a]o Kp = Kc(RT) n ln(k1/k2) = (Ea /R) (1/T2 1/T1) R = L atm mole 1 K 1 = J mole 1 K 1 A periodic table is also attached to the end of the exam. For show work problems, you must show your calculations and units clearly for credit or partial credit. Good luck! 1. What is the molarity of a solution prepared by dissolving 10.0 g of KNO3 in 250 ml of solution? 2. What is the molality of a solution made by dissolving 5.00 g of naphthalene, C10H8, in 50.0 ml of ethanol? The density of ethanol is g/ml. 3. How many grams of NaCl are in 250 g of a 15.0% (by weight) solution? 4. A solution of glucose, C6H12O6, has an osmotic pressure of 7.7 atm at 25 C. What is the molarity of this solution?
2 5. Aqueous concentrated nitric acid is 69% HNO3 by weight and has a density of 1.42 g/ml. a) What is the molality of this solution? b) What is the molarity of this solution? 6. The vapor pressure of water at 25 C is torr. What is the vapor pressure at 25 C of a solution prepared by dissolving mole of sucrose in 12.0 moles of water? 7. What pressure of CO2 gas is required to keep a concentration of dissolved CO2 at 0.10 M in a can of soda? The Henry s law constant for CO2 dissolved in water is M/atm at 25 C.
3 8. A saturated solution a) will dissolve additional solute if more solute is added. b) contains no dissolved solute. c) contains dissolved solute in equilibrium with undissolved solid. d) will rapidly precipitate some solid solute if a seed crystal is added. 9. Which one of the following substances will be the most soluble in water? a) KBr b) C10H8 c) CCl4 d) C8H A m solution of which one of the following solutes will have the highest boiling point? a) KNO3 b) Ca(NO3)2 c) Al(NO3)3 d) Na2SO4 11. The freezing point of a 1.0 M solution of NaCl in water is higher than the calculated value that assumes the particle concentration for this solute is 2.0 M. This is due to a) solvation of the ions b) particle concentration greater than 2.0 M c) hydrogen bonding d) occurrence of ion pairing 12. When NaCl dissolves in water, a) the oxygens of the water molecules are attracted to the sodium ions. b) the hydrogens of the water molecules are attracted to the chloride ions. c) the sodium and chloride ions becomes separated due to solvation. d) all of the above are true. 13. What is the freezing point of a solution prepared by dissolving 15 g of KBr in 100 ml of water? The freezing point depression constant, Kf, for water is 1.86 C/m. 14. In the gas phase reaction below, if the rate of formation of NO2 is 8.24 X 10 4 M s 1, what is the rate of disappearance of O2? 4 NH3 + 7 O2 4 NO2 + 6 H2O
4 15. Use the table of data shown below to calculate the value of the rate constant k. The reaction is first order. time (s) [A] (M) The reaction 2NO (g) + Br2 (g) 2NOBr (g) is second order with respect to NO and first order with respect to Br2. Which is the correct rate law for this reaction? a) Rate = k[no][br2] b) Rate = k[no] 2 [Br2] c) Rate = k[nobr] 2 d) Rate = k[no][br2] The correct units for the rate constant k in the rate law Rate = k[a] 2 [B] are a) M s 1 b) M 1 s 1 c) M 2 s 1 d) M 1 s The rate law for the aqueous reaction H2SeO3 + 6 I + 4 H + > Se + 2 I3 + 3 H2O is Rate = k[h2seo3][i ] 3 [H + ] 2. By what factor will the rate increase if we double the concentrations of all three reactants? a) 8 b) 32 c) 64 d) Given the rate data below for the reaction 2A + 3B Products, what is the rate law for this reaction? Exp. [A], M [B], M Rate, M sec X X X 10 5 a) Rate = k[a][b] b) Rate = k[a] 2 [B] c) Rate = k[a] 2 [B] 2 d) Rate = k[a][b] When the concentration of a reactant was M, the rate of the reaction was 8.42 X 10 6 M s -1. When the concentration of the reactant was doubled to M, the rate increased to 1.59 X 10 5 M s 1. What is the order of the reaction with respect to this reactant (the value of x in the rate law) to three significant figures?
5 21. For a first order reaction, a plot of vs. time gives a straight line with a slope of k. For a second order reaction, a plot of 1/[A]t vs. time gives a straight line with a slope of. 22. The half-life of iodine-131, a radioactive isotope of iodine, is 8.04 days. If an iodine-131 solution is initially M, what will the concentration be after 60 days? Radioactive decay is a first order process. 23. A substance that forms in one step and is consumed in another step of a multistep reaction is a) a transition state b) an intermediate c) a catalyst d) a final product 24. Which of the following will lower the activation energy for a reaction? a) increasing the concentrations of reactants b) raising the temperature of the reaction c) adding a catalyst d) increasing the total pressure 25. The reaction NO2 + CO NO + CO2 follows the rate law Rate = k[no2] 2. In the mechanism below, a) which step is the rate-limiting step? b) which substance is an intermediate in the reaction? Step 1 NO2 + NO2 > NO3 + NO Step 2 NO3 + CO > NO2 + CO2 26. In any multistep reaction mechanism, the rate of the overall reaction is determined by the rate of the step in the mechanism. a) first b) last c) slowest d) fastest 27. At equilibrium a) All chemical processes have ceased. b) The rate of the forward reaction equals the rate of the reverse reaction. c) The rate constant for the forward reaction equals the rate constant of the reverse reaction. d) The concentration of the products is greater than the concentration of the reactants.
6 28. The equilibrium constant Kp for reaction (1) has a value of What is the value of the equilibrium constant for reaction (2)? (1) SO2 (g) + 1/2 O2(g) SO3 (g) Kp = (2) 2 SO3 (g) 2 SO2 (g) + O2 (g) Kp =? a) b) 2.24 c) 44.2 d) Kc = 278 for the reaction 2 SO2 (g) + O2 (g) 2 SO3 (g) at 1000 K. What is the value of Kp? a) b) c) 54.7 d) The reaction NH4HS (s) NH3 (g) + H2S (g) has Kc = 1.2 X 10 4 at 22 C. If a solid sample of NH4HS is placed in a closed container and allowed to decompose until equilibrium is reached, what will the equilibrium concentrations of NH3 and H2S be? a) M b) 0.28 M c) M d) 0.14 M 31. Consider the following reaction at equilibrium: N2 (g) + 3 H2 (g) 2 NH3 (g) H = kj The forward ( ) reaction should be favored by using conditions of a) high temperature and high pressure b) high temperature and low pressure c) low temperature and low pressure d) low temperature and high pressure
7 32. Write the equilibrium constant expression for the reactions below: a) CO2 (g) + H2 (g) CO (g) + H2O (l) b) SnO2 (s) + 2 CO (g) Sn (s) + 2 CO2 (g) c) 3 Fe (s) + 4 H2O (g) Fe3O4 (s) + 4 H2 (g) d) 6 CO2 (g) + 6 H2O (l) C6H12O6 (s) + 6 O2 (g)
8 33. Consider the following chemical reaction: H2 (g) + I2 (g) 2 HI (g) Kc = 49.5 at 440 C a) If the equilibrium concentrations of H2 and I2 are 0.25 M each, what is the equilibrium concentration of HI? b) If we start with H2 and I2 at 0.25 M each, what will the HI concentration be at equilibrium? c) If we start with H2 at 0.65 M, I2 at 0.65 M, and HI at 5.00 M, what is the value of Qc? Which way with the reaction go (forward, reverse, or no change) in order to react equilibrium?
9 34. At 25 C a reaction has a rate constant of s 1. What is the value of the rate constant at 100 C? The activation energy for the reaction is 70.0 kj/mol. 35. The molar mass of an unknown molecular solute is determined by dissolving 2.50 g of the compound in 50.0 g of benzene. The freezing point of the solution was 1.50 C lower than that of pure benzene. The freezing point depression constant, Kf, for benzene is 5.00 C/m. What is the molecular weight of the compound?
10 Answers M m g M 5. a) 35.3 m b) 15.5 M torr atm 8. C 9. A 10. C 11. D 12. D C X 10 3 M/s 15. k = s B 17. C 18. C 19. B 20. x = ln[a] t, k X 10 4 M 23. B 24. C 25. a) Step 1 b) NO C 27. B 28. D 29. D 30. C 31. D 32. a) K eq = [CO (g)] / [CO 2 (g)][h 2 (g)] b) K eq = [CO 2 (g)] 2 / [CO (g)] 2 c) K eq = [H 2 (g)] 4 / [H 2 O (g)] 4 d) K eq = [O 2 (g)] 6 / [CO 2 (g)] a) [HI] eq = 1.76 M b) [HI] eq = M c) Q c = > 49.5 The reverse reaction will occur until equilibrium is reached. Q c > K c 34. k 2 = 102 s Molecular weight = 167 g/mol
CHM 2046 Test 2 Review: Chapter 12, Chapter 13, & Chapter 14
Chapter 12: 1. In an 80.0 L home aquarium, the total pressure is 1 atm and the mole fraction of nitrogen is 0.78. Henry s law constant for N 2 in water at 25 is 6.1 x 10 4. What mass of nitrogen is dissolved
More informationSolutions: Multiple Choice Review PSI AP Chemistry. 1. Which of the following would be FALSE regarding mixtures?
Solutions: Multiple Choice Review PSI AP Chemistry Name Part A: Mixtures, Solubility, and Concentration 1. Which of the following would be FALSE regarding mixtures? (A) Mixtures do not obey the law of
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. ) The half-life of a first-order reaction. A) can be calculated from the reaction rate constant
More informationCHEM Exam 2 March 3, 2016
CHEM 123 - Exam 2 March 3, 2016 Constants and Conversion Factors R = 0.082 L-atm/mol-K R = 8.31 J/mol-K 1 atm. = 760 torr Molar Masses: C6H12O6-180. C12H22O11-32. C2H6O - 6. H2O - 18. Al(NO3)3-213. NaOH
More information1. Which of the following would have the highest molar heat of vaporization? c. Cl 2
JASPERSE CHEM 160 PRACTICE TEST 1 VERSION 1 Corrected Ch. 11 Liquids, Solids, and Materials Ch. 15 The Chemistry of Solutes and Solutions Ch. 13 Chemical Kinetics Formulas for First Order Reactions: kt
More informationProperties of Matter and Solutions HW PSI Chemistry
Properties of Matter and Solutions HW PSI Chemistry Name Section A 1) If matter is uniform throughout and cannot be separated into other substances by physical processes, but can be decomposed into other
More informationMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Chapter 13 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The process of solute particles being surrounded by solvent particles is known as. A)
More informationx =!b ± b2! 4ac 2a moles particles solution (expt) moles solute dissolved (calculated conc ) i =
Properties of Solution Practice Exam Solutions Name (last) (First) Read all questions before you start. Show all work and explain your answers. Report all numerical answers to the proper number of sig.
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 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 information1002_1st Exam_
1002_1st Exam_1010321 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Consider the following reaction: POCl3(g) POCl(g) + Cl2(g) Kc = 0.450 A sample
More informationPX-III Chem 1411 Chaps 11 & 12 Ebbing
PX-III Chem 1411 Chaps 11 & 12 Ebbing 1. What is the name for the following phase change? I 2 (s) I 2 (g) A) melting B) condensation C) sublimation D) freezing E) vaporization 2. Which of the following
More information11) What thermodynamic pressure encourages solution formation of two nonpolar substances?
AP Chemistry Test (Chapter 11) Class Set Multiple Choice (54%) Please use the following choices to answer questions 1-10. A) London dispersion forces (temporary dipole attractions) B) Ion-ion attractions
More informationHonors Chemistry Unit 4 Exam Study Guide Solutions, Equilibrium & Reaction Rates
Honors Chemistry Unit 4 Exam Study Guide Solutions, Equilibrium & Reaction Rates Define the following vocabulary terms. Solute Solvent Solution Molarity Molality Colligative property Electrolyte Non-electrolyte
More information2011, Robert Ayton. All rights reserved.
Solutions Outline 1. Solubility 2. Concentration Calculations 3. Colligative Properties 4. Freezing Point Depression or Boiling Point Elevation Problems 5. Graphs of Colligative Properties Review 1. Solubility
More informationFor the entire exam, solutions are aqueous and T = 25 C unless stated otherwise. Questions 1 15 cover material from Exam 1.
For the entire exam, solutions are aqueous and T = 25 C unless stated otherwise. Questions 1 15 cover material from Exam 1. 1. What state of matter is described as follows? On the molecular level, the
More informationWhat is the volume of the unit cell of Ni in ml?
P a g e 1 Chem 123 Practice Questions for EXAM II Fall 2014 Exam II on Mon 10/13/14 This HAS BEEN updated after Wed s lecture (10/8/14) JUST studying these questions is not sufficient preparation. There
More informationExam 2 Practice (Chapter 15-17)
Exam 2 Practice (Chapter 15-17) 28. The equilibrium constant Kp for reaction (1) has a value of 0.112. What is the value of the equilibrium constant for reaction (2)? (1) SO2 (g) + 1/2 O2(g) SO3 (g) Kp
More informationChapter 13 Study Questions
Class Copy - Do Not Write On This Test!!! ID: A Chapter 13 Study Questions True/False Indicate whether the statement is true or false. 1. A solution with a solute concentration greater than the solubility
More information2. Which of the following liquids would have the highest viscosity at 25 C? A) CH 3 OCH 3 B) CH 2 Cl 2 C) C 2 H 5 OH D) CH 3 Br E) HOCH 2 CH 2 OH
CHEF124 Mid Term Revision (Trimester 3, 2012/13) 1. Identify the dominant (strongest) type of intermolecular force present in (a) RbCl(s) ionic (b) NH 3 (l) - hydrogen bonding (c) Cl 2 (l) dispersion (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 information11/4/2017. General Chemistry CHEM 101 (3+1+0) Dr. Mohamed El-Newehy. Chapter 4 Physical Properties of Solutions
General Chemistry CHEM 11 (3+1+) Dr. Mohamed El-Newehy http://fac.ksu.edu.sa/melnewehy Chapter 4 Physical Properties of Solutions 1 Types of Solutions A solution is a homogenous mixture of 2 or more substances.
More information1. Increasing the pressure above a liquid will cause the boiling point of the liquid to:
JASPERSE CHEM 210 PRACTICE TEST 1 VERSION 2 Ch. 11 Liquids, Solids, and Materials Ch. 10 Gases Ch. 15 The Chemistry of Solutes and Solutions Ch. 13 Chemical Kinetics 1 Constants and/or Formulas Formulas
More informationP a g e What is the algebraic sign for enthalpy of solution? A. positive B. negative C. not enough information is given
P a g e 1 Chem 123 Practice Questions for EXAM II Spring 2014 Exam II on Wed 3/12/14 This HAS BEEN updated after Monday s lecture (3/10/14) JUST studying these questions is not sufficient preparation.
More informationChem 1100 Pre-Test 3. Multiple Choice Identify the choice that best completes the statement or answers the question.
Chem 1100 Pre-Test 3 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. An open-tube manometer is used to measure the pressure in a flask. The atmospheric
More informationA) sublimation. B) liquefaction. C) evaporation. D) condensation. E) freezing. 11. Below is a phase diagram for a substance.
PX0411-1112 1. Which of the following statements concerning liquids is incorrect? A) The volume of a liquid changes very little with pressure. B) Liquids are relatively incompressible. C) Liquid molecules
More informationPractice test Chapter 12 and 13
Practice test Chapter 12 and 13 1. Which of the following pure liquids is the best solvent for carbon disulfide? A) C6H6(l) B) NH3(l) C) CH3OH(l) D) H2O(l) E) HBr(l) 2. How does the solubility of a gas
More informationCHEM 1412 SAMPLE FINAL EXAM
CHEM 1412 SAMPLE FINAL EXAM PART I - Multiple Choice (2 points each) 1. In which colligative property(ies) does the value decrease as more solute is added? A. boiling point B. freezing point and osmotic
More informationCHEM 121b Exam 1 Spring 1999
Name SSN CHEM 121b Exam 1 Spring 1999 This exam consists of 15 multiple choice questions (each worth 2 points), and 5 written problems (points noted below for each). There are a total of 100 possible points.
More informationChapter 12. Properties of Solutions
Chapter 12. Properties of Solutions What we will learn: Types of solutions Solution process Interactions in solution Types of concentration Concentration units Solubility and temperature Solubility and
More informationGENERAL CHEMISTRY II CHEM SYSTEM FINAL EXAM VERSION A Summer 2107
GENERAL CHEMISTRY II CHEM 1412 SYSTEM FINAL EXAM VERSION A Summer 2107 Page1 1 Part I: Multiple Choice (2 points each) 1. The density of 96.0 % H2SO4(aq) is 1.87 g/ml. Calculate the molarity of the solution.
More informationCHE 107 FINAL EXAMINATION December 10, 2012
CHE 107 FINAL EXAMINATION December 10, 2012 University of Kentucky Department of Chemistry READ THESE DIRECTIONS CAREFULLY BEFORE STARTING THE EXAMINATION! It is extremely important that you fill in the
More information1. All the solutions have the same molality. 2. All the solutions have the same molarity.
I. (41 points) A. (12 points) Write your answers on the blanks provided. 1. Which of the following solutes would be more soluble in water? a. CH 3 OH or C 17 H 35 OH b. C 2 H 5 Cl or NaCl c. CHCl 3 or
More informationGeorgia Institute of Technology. CHEM 1310: Exam II. October 21, 2009
Georgia Institute of Technology CHEM 1310: Exam II October 21, 2009 Select the best answer for each of the following problems. Each problem is worth 5 points with no partial credit. 1. A solution is prepared
More informationCHEM 1032 PRACTICE EXAM I CLASS SPRING 2017
1 CHEM 1032 PRACTICE EXAM I CLASS SPRING 2017 1. Select the characteristic(s) of the liquid phase: (You may need a periodic table. Useful information appears on page 5.) (i) adopts the shape of the container
More informationSolutions and Their Properties
Chapter 11 Solutions and Their Properties Solutions: Definitions A solution is a homogeneous mixture. A solution is composed of a solute dissolved in a solvent. When two compounds make a solution, the
More informationChem 1046 February 27, 2001 Test #2
Chem 1046 February 27, 2001 Test #2 1. A sample of octane in equilibrium with its vapor in a closed 1.0-L container has a vapor pressure of 50.0 torr at 45 C. The container s volume is decreased to 0.50
More information1. A solution that is 9% by mass glucose contains 9 g of glucose in every g of solution.
Solutions molarity (Homework) For answers, send email to: admin@tutor-homework.com. Include file name: Chemistry_Worksheet_0144 Price: $3 (c) 2012 www.tutor-homework.com: Tutoring, homework help, help
More informationCHEM Exam 3 - March 31, 2017
CHEM 3530 - Exam 3 - March 31, 2017 Constants and Conversion Factors NA = 6.02x10 23 mol -1 R = 8.31 J/mol-K = 8.31 kpa-l/mol-k 1 bar = 100 kpa = 750 torr 1 kpa = 7.50 torr 1 J = 1 kpa-l 1 kcal = 4.18
More informationCHEM Exam 3 - March 30, Given in the individual questions on this test.
CHEM 3530 - Exam 3 - March 30, 2018 Constants and Conversion Factors NA = 6.02x10 23 mol -1 R = 8.31 J/mol-K = 8.31 kpa-l/mol-k 1 bar = 100 kpa = 750 torr 1 kpa = 7.50 torr 1 J = 1 kpa-l 1 kcal = 4.18
More information3) Accounts for strands of DNA being held together into a double helix. 7) Accounts for the cohesive nature of water and its high surface tension
AP Chemistry Test (Chapter 11) Multiple Choice (50%) Please use the following choices to answer questions 1-7. A) London dispersion forces B) Ion-ion attractions C) Dipole-dipole attractions D) Dipole-ion
More informationMCGILL UNIVERSITY FACULTY OF SCIENCE MIDTERM EXAMINATION CHEM 120 MONDAY MARCH 16, :30PM 8:30PM VERSION NUMBER: 1
MCGILL UNIVERSITY FACULTY OF SCIENCE MIDTERM EXAMINATION CHEM 120 MONDAY MARCH 16, 2009 6:30PM 8:30PM VERSION NUMBER: 1 Instructions: BEFORE YOU BEGIN: Enter your student number and name on the computer
More information(B) Which of the following in each pair will be more soluble in water?
CHM 112 Chapter 11 Solutions: Study Guide Purpose: This is a guide for your as you work through the chapter. The major topics are provided so that you can write notes on each topic and work the corresponding
More informationChapter 12. Physical Properties of Solutions. Chemistry, Raymond Chang 10th edition, 2010 McGraw-Hill
Chemistry, Raymond Chang 10th edition, 2010 McGraw-Hill Chapter 12 Physical Properties of Solutions Ahmad Aqel Ifseisi Assistant Professor of Analytical Chemistry College of Science, Department of Chemistry
More informationCP Chapter 15/16 Solutions What Are Solutions?
CP Chapter 15/16 Solutions What Are Solutions? What is a solution? A solution is uniform that may contain solids, liquids, or gases. Known as a mixture Solution = + o Solvent The substance in abundance
More informationCHEMISTRY 122 [Tyvoll] PRACTICE EXAM II Possibly Useful Information: 2) ( ) ( ) ( ) ( ) ( ) R = L atm/mol K
Name Student ID # CHEMISTRY 122 [Tyvoll] PRACTICE EXAM II Spring 2008 1 2 3 4 5 Possibly Useful Information: 1) ( ) ( ) ( ) ( ) ( ) d (H 2 O) = 1.00 g/ml 2) ( ) ( ) ( ) ( ) ( ) R = 0.0821 L atm/mol K 3)
More informationPhysical Properties of Solutions
Physical Properties of Solutions Chapter 12 Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display. 12.1- Types of solutions A solution is a homogenous mixture of 2 or
More informationChem 1100 Pre-Test 3. Multiple Choice Identify the choice that best completes the statement or answers the question.
Chem 1100 Pre-Test 3 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Determine the oxidation number of the underlined element in K 2CO 3. a. 1 b. 2 c.
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 informationAP CHEMISTRY CHAPTER 8 PROBLEM SET #2. (Questions 1-3) Select the letter of the answer that best completes the statement or answers the question.
NAME: AP CHEMISTRY CHAPTER 8 PROBLEM SET #2 (Questions 1-3) Select the letter of the answer that best completes the statement or answers the question. 1. 2. 3. According to Raoult s Law, which statement
More informationChemistry 122 Wrap-Up Review Kundell
Chapter 11 Chemistry 122 Wrap-Up Review Kundell 1. The enthalpy (heat) of vaporization for ethanol (C 2 H 5 OH) is 43.3 kj/mol. How much heat, in kilojoules, is required to vaporize 115 g of ethanol at
More information1) Define the following terms: a) solution, b) miscible, c) hydration, d) percent by mass (solute), e) colligative property, f) hypotonic.
Problems - Chapter 13 (with solutions) 1) Define the following terms: a) solution, b) miscible, c) hydration, d) percent by mass (solute), e) colligative property, f) hypotonic. a) solution - A homogeneous
More information2FeCl 3 (s) + 3 H 2 O (g) ---> Fe 2 O 3 (s) + 6 HCl (g) A. HCl 6 K = H 2. FeCl 3 B. K = HCl 6 Fe 2 O 3. C. Fe 2 K = D. K =
1. Which expression below correctly shows the equilibrium expression for the reaction: 2FeCl 3 (s) + 3 O (g) ---> Fe 2 O 3 (s) + 6 HCl (g) A. HCl 6 O 3 2 FeCl 3 B. O 3 2 FeCl 3 HCl 6 Fe 2 O 3 C. Fe 2 O
More informationChapter How many grams of a 23.4% by mass NaF solution is needed if you want to have 1.33 moles of NaF?
Chapter 13 1. Which of the following compounds is a strong electrolyte? a. NH 4Cl b. NaCl c. NaC 2H 3O 2 d. HCl e. All of the above 2. A solution that is 13.58% by mass of sugar contains 13.75 grams of
More informationConcentration of Solutions
Chapter 11 Textbook Assigned Problems Exercises Concentration of Solutions 25. Because the density of water is 1.00 g/ml, 100.0 ml of water has a mass of 100. g. density = = 1.06 g/ml = 1.06 g/cm 3 mol
More informationFinal Exam Review-Honors Name Period
Final Exam Review-Honors Name Period This is not a fully comprehensive review packet. This packet is especially lacking practice of explanation type questions!!! You should study all previous review sheets
More informationChem 210 Jasperse Final Exam- Version 1 Note: See the very last page to see the formulas that will be provided with the final exam.
Chem 210 Jasperse Final Exam- Version 1 Note: See the very last page to see the formulas that will be provided with the final exam. 1 1. Which of the following liquids would have the highest vapor pressure,
More informationGeorgia Institute of Technology. CHEM 1310: Exam II. October 21, 2009
Georgia Institute of Technology CHEM 1310: Exam II October 21, 2009 Select the best answer for each of the following problems. Each problem is worth 5 points with no partial credit. 1. Place the following
More informationGeneral Chemistry II FINAL EXAMINATION
General Chemistry II 141 FINAL EXAMINATIN PART I ( points each) CHEM 141 (Fall 009) Version AF09 Multiple choice - scantron. Please D NT write or mark on this paper. Write your correct answer on 1. Which
More informationDATA THAT YOU MAY USE UNITS Conventional Volume ml or cm 3 = cm 3 or 10-3 dm 3 Liter (L) = dm 3 Pressure atm = 760 torr = Pa CONSTANTS
DATA THAT YOU MAY USE UNITS Conventional S.I. Volume ml or cm 3 = cm 3 or 0-3 dm 3 Liter (L) = dm 3 Pressure atm = 760 torr =.03 0 5 Pa torr = 33.3 Pa Temperature C 0 C = 73.5 K PV L-atm =.03 0 5 dm 3
More informationCH 222 Chapter Eleven Concept Guide
CH 222 Chapter Eleven Concept Guide 1. Molality A 4.5 M nitric acid solution contains 65.0 g of HNO 3 in 288 g of solution. What is the molality of this solution? Molality is calculated by dividing the
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 information7. A solution has the following concentrations: [Cl - ] = 1.5 x 10-1 M [Br - ] = 5.0 x 10-4 M
Solubility, Ksp Worksheet 1 1. How many milliliters of 0.20 M AlCl 3 solution would be necessary to precipitate all of the Ag + from 45ml of a 0.20 M AgNO 3 solution? AlCl 3(aq) + 3AgNO 3(aq) Al(NO 3)
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 informationUse your time wisely. Do not get stuck on one question. WORK MUST BE SHOWN CAREFULLY, WITH UNITS AT EVERY STEP OF SETUP.
Spring 2014 CCBC-Catonsville (Wed 3/12/14) Use your time wisely. Do not get stuck on one question. WORK MUST BE SHOWN CAREFULLY, WITH UNITS AT EVERY STEP OF SETUP. PAGE TOTAL SCORE POSSIBLE YOUR SCORE
More informationKinetics - Chapter 14. reactions are reactions that will happen - but we can t tell how fast. - the steps by which a reaction takes place.
The study of. Kinetics - Chapter 14 reactions are reactions that will happen - but we can t tell how fast. - the steps by which a reaction takes place. Factors that Affect Rx Rates 1. The more readily
More informationExperiment Initial [A] Initial [B] Initial Rate
Chem 120 Practice Final Winter 2014 1 of 14 1. The following are initial rate data for: A + 2 B C + 2 D Experiment Initial [A] Initial [B] Initial Rate 1 0.10 0.10 0.300 2 0.20 0.10 0.600 3 0.10 0.20 1.200
More information3. The osmotic pressure of a ml solution of an unknown nonelectrolyte is 122 torr at 25 C. Determine the molarity of the solution.
1. Which of the following has a correct van t Hoff factor indicated? A. Al 2 (SO 4 ) 3, i = 5 C. CaBr 2, i = 2 B. Na 2 CO 3, i = 6 D. C 6 H 12 O 6, i = 3 2. Calculate the vapor pressure of a solution containing
More information1) Define the following terms: a) solution, b) miscible, c) hydration, d) percent by mass (solute), e) colligative property, f) hypotonic.
Problems - Chapter 13 (with solutions) 1) Define the following terms: a) solution, b) miscible, c) hydration, d) percent by mass (solute), e) colligative property, f) hypotonic. a) solution - A homogeneous
More information1) Define the following terms: a) solution, b) miscible, c) hydration, d) percent by mass (solute), e) colligative property, f) hypotonic.
Problems - Chapter 13 (with solutions) 1) Define the following terms: a) solution, b) miscible, c) hydration, d) percent by mass (solute), e) colligative property, f) hypotonic. a) solution - A homogeneous
More informationCHEMISTRY 102 FALL 2010 EXAM 1 FORM D SECTION 502 DR. KEENEY-KENNICUTT PART 1
NAME CHEMISTRY 102 FALL 2010 EXAM 1 FORM D SECTION 502 DR. KEENEY-KENNICUTT Directions: (1) Put your name on PART 1 and your name and signature on PART 2 of the exam where indicated. (2) Sign the Aggie
More informationSolutions: Formation and Properties
New Jersey Center for Teaching and Learning Slide 1 / 48 Progressive Science Initiative This material is made freely available at www.njctl.org and is intended for the non-commercial use of students and
More informationAP Chem Chapter 14 Study Questions
Class: Date: AP Chem Chapter 14 Study Questions 1. A burning splint will burn more vigorously in pure oxygen than in air because a. oxygen is a reactant in combustion and concentration of oxygen is higher
More informationChapter 14. Chemical Kinetics
Sample Exercise 14.1 (p. 578) For the reaction pictured at the bottom of the previous page, calculate the average rate at which A disappears over the time interval from 20 s to 40 s. (1.2 x 10-2 M/s) Practice
More information(name) Place the letter of the correct answer in the place provided. Work must be shown for non-multiple choice problems
(name) Place the letter of the correct answer in the place provided. Work must be shown for non-multiple choice problems 1. According to Raoults Lab the change in the vapor pressure of a solution containing
More informationExam 2. CHEM Spring Name: Class: Date:
CHEM-112-01 Spring 2012 Name: Class: Date: 1. Record your name and ID number on the scantron form. 2. Record the test ID letter in the top right box of the scantron form. 3. Record all of your answers
More informationa) 1.3 x 10 3 atm b) 2.44 atm c) 8.35 atm d) 4.21 x 10-3 atm e) 86.5 atm
1. (6 pts) A sample of gas with a volume of 750 ml exerts a pressure of 756 mm Hg at 30.0 0 C. What pressure (atm) will the sample exert when it is compressed to 250 ml and cooled to -25.0 0 C? a) 1.3
More informationLecture outline: Chapter 13
Lecture outline: Chapter 13 Properties of solutions Why solutions form at the molecular l levell Units of solution concentration Colligative properties: effects of solutes on BP, MP, and vapor pressure
More informationCHEMISTRY - UTEXAS 1E CH.7 - PHYSICAL EQUILIBRIA.
!! www.clutchprep.com CONCEPT: PHASE DIAGRAMS Under appropriate conditions of pressure and temperature, most substances can exist in 3 states of matter:, and. Microscopic Explanation for the Behavior of
More information1) Define the following terms: a) solution, b) miscible, c) hydration, d) percent by mass (solute), e) colligative property, f) hypotonic.
Problems - Chapter 13 (with solutions) 1) Define the following terms: a) solution, b) miscible, c) hydration, d) percent by mass (solute), e) colligative property, f) hypotonic. a) solution - A homogeneous
More information3.Which of the following has the highest melting temperature? A) H 2 O B) CO 2 C) S 8 D) MgF 2 E) P 4
2. Which if the following is the correct order of boiling points for KNO 3, CH 3 OH, C 2 H 6, Ne? A) Ne < CH 3 OH < C 2 H 6 < KNO 3 B) KNO 3 < CH 3 OH < C 2 H 6 < Ne C) Ne < C 2 H 6 < KNO 3 < CH 3 OH D)
More informationRank the following in order from lowest to highest boiling point. Lowest 1 < 2 < 3 < 4 Highest. Which sketch shows the strongest hydrogen bond?
Posting ID: 453368 Course: CHE_107_General_Ch emistry_2 Instructor: Blue Course Name: CHE_107_General_Chemistry_2 Question #: 1 Fill in one of the three common phases of matter for each one of these descriptions.
More informationMultiple Choice 2 POINTS EACH Select the choice that best answers the question. Mark it clearly on your answer sheet.
Chemistry 45.5 100 Points Take Home Exam 1 2009-10 Name: Student ID: Form A Multiple Choice 2 POINTS EACH Select the choice that best answers the question. Mark it clearly on your answer sheet. 1. Likes
More information2. What property of water allows a needle to float on it without sinking? Answer: surface tension
Ch 12 and 14 Practice Problems - KEY The following problems are intended to provide you with additional practice in preparing for the exam. Questions come from the textbook, previous quizzes, previous
More informationKING FAHD UNIVERSITY OF PETROLEUM AND MINERALS CHEMISTRY DEPARTMENT FINAL EXAM TEST CODE 000 COURSE CHEM
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS CHEMISTRY DEPARTMENT FINAL EXAM TEST CODE 000 COURSE CHEM101-051 STUDENT NUMBER: NAME : SECTION NUMBER: INSTRUCTIONS 1. Type your student number, name, and
More informationChapter 11 Problems: 11, 15, 18, 20-23, 30, 32-35, 39, 41, 43, 45, 47, 49-51, 53, 55-57, 59-61, 63, 65, 67, 70, 71, 74, 75, 78, 81, 85, 86, 93
Chapter 11 Problems: 11, 15, 18, 20-23, 30, 32-35, 39, 41, 43, 45, 47, 49-51, 53, 55-57, 59-61, 63, 65, 67, 70, 71, 74, 75, 78, 81, 85, 86, 93 Chapter 11 Properties of Solutions Types of mixtures: homogenous
More informationCh 12 and 13 Practice Problems
Ch 12 and 13 Practice Problems The following problems are intended to provide you with additional practice in preparing for the exam. Questions come from the textbook, previous quizzes, previous exams,
More informationChapter 13. Properties of Solutions
Chapter 13 Properties of Solutions Warm - Up Why doesn t salt dissolve in nonpolar solvents such as hexane? How does the orientation of water around Na + differ from the orientation of water around Cl
More informationCHEMISTRY 102 FALL 2010 EXAM 1 FORM C SECTION 502 DR. KEENEY-KENNICUTT PART 1
NAME CHEMISTRY 102 FALL 2010 EXAM 1 FORM C SECTION 502 DR. KEENEY-KENNICUTT Directions: (1) Put your name on PART 1 and your name and signature on PART 2 of the exam where indicated. (2) Sign the Aggie
More informationChemistry 145 Exam number 2 name 10/8/98 # A.(64) Circle the best response. Record answers on the attached answer sheet.
Chemistry 145 Exam number 2 name 10/8/98 # A.(64) Circle the best response. Record answers on the attached answer sheet. 1. Which is NOT a unit for expressing pressure? a) Pascal b) lb/cm 3 c) torr d)
More informationCHEMpossible. Final Exam Review
CHEMpossible Final Exam Review 1. Given the following pair of reactions and their equilibrium constants: 2NO 2 (g) 2NO (g) + O 2 (g) K c = 15.5 2NO (g) + Cl 2 (g) 2 NOCl (g) K c = 3.20 10-3 Calculate a
More informationRepresentative Questions Exam 3
Representative Questions Exam 3 1. The kinetic-molecular theory of gases assumes which of the following? a. gas samples are mostly empty space b. the average kinetic energy is proportional to the Kelvin
More informationChemistry 112 Spring 2007 Prof. Metz Exam 1 KEY
Chemistry 112 Spring 27 Prof. Metz Exam 1 KEY 1. Ammonia, NH 3, has a much higher boiling point than phosphine, PH 3. This is because: (A) NH 3 has a lower molecular weight than PH 3. (B) NH 3 is extensively
More informationChemistry 112 Spring 2007 Prof. Metz Exam 1 KEY
Chemistry 112 Spring 27 Prof. Metz Exam 1 KEY 1. The predominant intermolecular attractive force in solid sodium is: (A) ionic (B) covalent (C) metallic (D) dipole-dipole (E) induced dipole-induced dipole
More informationChemistry 112 Spring 2007 Prof. Metz Exam 1 KEY
Chemistry 112 Spring 27 Prof. Metz Exam 1 KEY 1. The predominant intermolecular attractive force in solid sodium is: (A) covalent (B) metallic (C) ionic (D) dipole-dipole (E) induced dipole-induced dipole
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 informationAccelerated Chemistry Semester 2 Review Sheet
Accelerated Chemistry Semester 2 Review Sheet The semester test will be given in two parts. The first part is a performance assessment and will be given the day before the semester test. This will include
More informationMOCK FINALS APPCHEN QUESTIONS
MOCK FINALS APPCHEN QUESTIONS For questions 1-3 Aluminum dissolves in an aqueous solution of NaOH according to the following reaction: 2 NaOH + 2 Al + 2 H2O 2 NaAlO2 + 3 H2 If 84.1 g of NaOH and 51.0 g
More informationCHEMISTRY 110 EXAM 3 NOVEMER 12, 2012 FORM A
CHEMISTRY 110 EXAM 3 NOVEMER 12, 2012 FORM A 1. Consider a balloon filled with 5 L of an ideal gas at 20 C. If the temperature of the balloon is increased by 70 C and the external pressure acting on the
More informationChapter Practice Test
Name: Class: Date: Chapter 17-18 Practice Test Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Examining a chemical system before and after a reaction
More information