Science
ChemistryChemistry: An Atoms First ApproachFor the reaction PCl 5 ( g ) ⇌ PCl 3 ( g ) + Cl 2 ( g ) at 600. K, the equilibrium constant, K p , is 11.5. Suppose that 2.450 g PCl 5 is placed in an evacuated 500.-mL bulb, which is then heated to 600. K. a . What would be the pressure of PCl 5 if it did not dissociate? b . What is the partial pressure of PCl 5 at equilibrium? c . What is the total pressure in the bulb at equilibrium? d . What is the percent dissociation of PCl 5 at equilibrium?

For the reaction PCl 5 ( g ) ⇌ PCl 3 ( g ) + Cl 2 ( g ) at 600. K, the equilibrium constant, K p , is 11.5. Suppose that 2.450 g PCl 5 is placed in an evacuated 500.-mL bulb, which is then heated to 600. K. a . What would be the pressure of PCl 5 if it did not dissociate? b . What is the partial pressure of PCl 5 at equilibrium? c . What is the total pressure in the bulb at equilibrium? d . What is the percent dissociation of PCl 5 at equilibrium?

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Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243
BuyFind

Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243

Solutions

Chapter
Section
Problem 1RQ
Problem 2RQ
Problem 3RQ
Problem 4RQ
Problem 5RQ
Problem 6RQ
Problem 7RQ
Problem 8RQ
Problem 9RQ
Problem 10RQ
Problem 1ALQ
Problem 2ALQ
Problem 3ALQ
Problem 4ALQ
Problem 5ALQ
Problem 6ALQ
Problem 7ALQ
Problem 8ALQ
Problem 9ALQ
Problem 10Q
Problem 11Q
Problem 12Q
Problem 13Q
Problem 14Q
Problem 15Q
Problem 16Q
Problem 17Q
Problem 18Q
Problem 19Q
Problem 20Q
Problem 21E
Problem 22E
Problem 23E
Problem 24E
Problem 25E
Problem 26E
Problem 27E
Problem 28E
Problem 29E
Problem 30E
Problem 31E
Problem 32E
Problem 33E
Problem 34E
Problem 35E
Problem 36E
Problem 37E
Problem 38E
Problem 39E
Problem 40E
Problem 41E
Problem 42E
Problem 43E
Problem 44E
Problem 45E
Problem 46E
Problem 47E
Problem 48E
Problem 49E
Problem 50E
Problem 51E
Problem 52E
Problem 53E
Problem 54E
Problem 55E
Problem 56E
Problem 57E
Problem 58E
Problem 59E
Problem 60E
Problem 61E
Problem 62E
Problem 63E
Problem 64E
Problem 65E
Problem 66E
Problem 67E
Problem 68E
Problem 69E
Problem 70E
Problem 71AE
Problem 72AE
Problem 73AE
Problem 74AE
Problem 75AE
Problem 76AE
Problem 77AE
Problem 78AE
Problem 79AE
Problem 80AE
Problem 81AE
Problem 82AE
Problem 83AE
Problem 84AE
Problem 85AE
Problem 86AE
Problem 87AE
Problem 88AE
Problem 89AE
Problem 90AE
Problem 91CWP
Problem 92CWP
Problem 93CWP
Problem 94CWP
Problem 95CWP
Problem 96CWP
Problem 97CWP
Problem 98CWP
Problem 99CP
Problem 100CP
Problem 101CP
Problem 102CP
Problem 103CP
Problem 104CP
Problem 105CP
Problem 106CP
Problem 107CP
Problem 108CP
Problem 109CP
Problem 110CP
Problem 111CP
Problem 112CP
Problem 113CP
Problem 114CP
Problem 115IP
Problem 116IP
Problem 117IP
Problem 118IP
Problem 119MP
Chapter 12, Problem 78AE
Textbook Problem

For the reaction

PCl 5 ( g ) ⇌ PCl 3 ( g ) + Cl 2 ( g )

at 600. K, the equilibrium constant, Kp, is 11.5. Suppose that 2.450 g PCl5 is placed in an evacuated 500.-mL bulb, which is then heated to 600. K.

a. What would be the pressure of PCl5 if it did not dissociate?

b. What is the partial pressure of PCl5 at equilibrium?

c. What is the total pressure in the bulb at equilibrium?

d. What is the percent dissociation of PCl5 at equilibrium?

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Chapter 12,
Problem 77AE
Chapter 12,
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Chapter 12 Solutions

Chemistry: An Atoms First Approach
Ch. 12 - Characterize a system at chemical equilibrium with...Ch. 12 - What is the law of mass action? Is it true that...Ch. 12 - Consider the following reactions at some...Ch. 12 - What is the difference between K and Kp? When doc...Ch. 12 - What are homogeneous equilibria? Heterogeneous...Ch. 12 - Distinguish between the terms equilibrium constant...Ch. 12 - Summarize the steps for solving equilibrium...Ch. 12 - A common type of reaction we will study is that...Ch. 12 - What is Le Chteliers principle? Consider the...Ch. 12 - The only stress (change) that also changes the...
Ch. 12 - Consider an equilibrium mixture of four chemicals...Ch. 12 - The boxes shown below represent a set of initial...Ch. 12 - For the reactionH2(g)+I2(g)2HI(g), consider two...Ch. 12 - Given the reactionA(g)+B(g)C(g)+D(g), consider the...Ch. 12 - Consider the reaction A(g)+2B(g)C(g)+D(g) in a...Ch. 12 - Consider the reactionA(g)+B(g)C(g)+D(g). A friend...Ch. 12 - Consider the following statements: Consider the...Ch. 12 - Le Chteliers principle is stated (Section 12-7) as...Ch. 12 - The value of the equilibrium constant K depends on...Ch. 12 - Consider an initial mixture of N2 and H2 gases...Ch. 12 - Consider the following reaction:...Ch. 12 - Consider the same reaction as in Question 11. In...Ch. 12 - Suppose a reaction has the equilibrium constant K...Ch. 12 - Suppose a reaction has the equilibrium constant K...Ch. 12 - Consider the following reaction at some...Ch. 12 - Consider the following generic reaction:...Ch. 12 - Explain the difference between K, Kp, and Q.Ch. 12 - Consider the following reactions:...Ch. 12 - For a typical equilibrium problem, the value of K...Ch. 12 - Which of the following statements is(are) true?...Ch. 12 - Write the equilibrium expression (K) for each of...Ch. 12 - Write the equilibrium expression (Kp) for each...Ch. 12 - At a given temperature, K = 1.3 102 for the...Ch. 12 - For the reaction H2(g)+Br2(g)2HBr(g) Kp = 3.5 104...Ch. 12 - For the reaction 2NO(g)+2H2(g)N2(g)+2H2O(g) it is...Ch. 12 - At high temperatures, elemental nitrogen and...Ch. 12 - At a particular temperature, a 3.0-L flask...Ch. 12 - At a particular temperature a 2.00-L flask at...Ch. 12 - The following equilibrium pressures at a certain...Ch. 12 - The following equilibrium pressures were observed...Ch. 12 - At 327c, the equilibrium concentrations are...Ch. 12 - At 1100 K, Kp = 0.25 for the reaction...Ch. 12 - Write expressions for K and Kp for the following...Ch. 12 - Write expressions for Kp for the following...Ch. 12 - For which reactions in Exercise 33 is Kp equal to...Ch. 12 - For which reactions in Exercise 34 is Kp equal to...Ch. 12 - Consider the following reaction at a certain...Ch. 12 - In a study of the reaction...Ch. 12 - The equilibrium constant is 0.0900 at 25C for the...Ch. 12 - The equilibrium constant is 0.0900 at 25C for the...Ch. 12 - At 900c, Kp = 1.04 for the reaction...Ch. 12 - Ethyl acetate is synthesized in a nonreacting...Ch. 12 - For the reaction 2H2O(g)2H2(g)+O2(g) K = 2.4 103...Ch. 12 - The reaction 2NO(g)+Br2(g)2NOBr(g) has Kp = 109 at...Ch. 12 - A 1.00-L flask was filled with 2.00 moles of...Ch. 12 - A sample of S8(g) is placed in an otherwise empty...Ch. 12 - At a particular temperature, 12.0 moles of SO3 is...Ch. 12 - At a particular temperature, 8.0 moles of NO2 is...Ch. 12 - An initial mixture of nitrogen gas and hydrogen...Ch. 12 - Nitrogen gas (N2) reacts with hydrogen gas (H2) to...Ch. 12 - At a particular temperature, K = 3.75 for the...Ch. 12 - At a particular temperature, K = 1.00 102 for the...Ch. 12 - At 2200C, Kp = 0.050 for the reaction...Ch. 12 - At 25c, K = 0.090 for the reaction...Ch. 12 - At 1100 K, KP = 0.25 for the reaction...Ch. 12 - At a particular temperature, Kp = 0.25 for the...Ch. 12 - At 35C, K = 1.6 105 for the reaction...Ch. 12 - At o particular temperature, K = 4 .0 107 for the...Ch. 12 - At a particular temperature, K = 2.0 106 for the...Ch. 12 - Lexan is a plastic used to make compact discs,...Ch. 12 - At 25C, Kp. = 2.9 103 for the reaction...Ch. 12 - A sample of solid ammonium chloride was placed in...Ch. 12 - Suppose the reaction system...Ch. 12 - Predict the shift in the equilibrium position that...Ch. 12 - An important reaction in the commercial production...Ch. 12 - What will happen to the number of moles of SO3 in...Ch. 12 - In which direction will the position of the...Ch. 12 - Hydrogen for use in ammonia production is produced...Ch. 12 - Old-fashioned smelling salts consist of ammonium...Ch. 12 - Ammonia is produced by the Haber process, in which...Ch. 12 - Calculate a value for the equilibrium constant for...Ch. 12 - Given the following equilibrium constants at...Ch. 12 - Consider the decomposition of the compound C5H6O3...Ch. 12 - At 25C. Kp 1 1031 for the reaction a. Calculate...Ch. 12 - The gas arsine, AsH3, decomposes as follows:...Ch. 12 - At a certain temperature, K = 9.1 10-4 for the...Ch. 12 - At a certain temperature, K = 1.1 l03 for the...Ch. 12 - For the reaction PCl5(g)PCl3(g)+Cl2(g) at 600. K,...Ch. 12 - At 25C, gaseous SO2Cl2 decomposes to SO2(g) and...Ch. 12 - For the following reaction at a certain...Ch. 12 - Novelty devices for predicting rain contain...Ch. 12 - Consider the reaction Fe3+(aq)+SCN(aq)FeSCN2+(aq)...Ch. 12 - Chromium(VI) forms two different oxyanions, the...Ch. 12 - The synthesis of ammonia gas from nitrogen gas and...Ch. 12 - Suppose K = 4.5 103 at a certain temperature for...Ch. 12 - For the reaction below, Kp = 1.16 at 800C....Ch. 12 - Many sugars undergo a process called mutarotation,...Ch. 12 - Peptide decomposition is one of the key processes...Ch. 12 - The creation of shells by mollusk species is a...Ch. 12 - Methanol, a common laboratory solvent, poses a...Ch. 12 - For the reaction: 3O2(g)2O3(g) K = 1.8 107 at a...Ch. 12 - An equilibrium mixture contains 0.60 g solid...Ch. 12 - At a particular temperature, 8.1 moles of NO2 gas...Ch. 12 - A sample of solid ammonium chloride was placed in...Ch. 12 - In a given experiment, 5.2 moles of pure NOCl was...Ch. 12 - For the reactionN2O4(g)2NO2(g),Kp=0.25 at a...Ch. 12 - Consider the following exothermic reaction at...Ch. 12 - For the following endothermic reaction at...Ch. 12 - A 1.604-g sample of methane (CH4) gas and 6.400 g...Ch. 12 - A 4.72-g sample of methanol (CH3OH) was placed in...Ch. 12 - At 35C, K = 1.6 105 for the reaction...Ch. 12 - Nitric oxide and bromine at initial partial...Ch. 12 - At 25C. Kp = 5.3 105 for the reaction...Ch. 12 - Consider the reaction P4(g)2P2(g) where Kp = 1.00 ...Ch. 12 - The partial pressures of an equilibrium mixture of...Ch. 12 - At 125C, KP = 0.25 for the reaction...Ch. 12 - A mixture of N2, H2, and NH3 is at equilibrium...Ch. 12 - Consider the decomposition equilibrium for...Ch. 12 - An 8.00-g sample of SO3 was placed in an evacuated...Ch. 12 - A sample of iron(II) sulfate was heated in an...Ch. 12 - At 5000 K and 1.000 atm, 83.00% of the oxygen...Ch. 12 - A sample of N2O4(g) is placed in an empty cylinder...Ch. 12 - A sample of gaseous nitrosyl bromide (NOBr) was...Ch. 12 - The equilibrium constant Kp for the reaction...Ch. 12 - For the reaction NH3(g)+H2S(g)NH4HS(s) K = 400. at...Ch. 12 - Given K = 3.50 at 45C for the reaction...Ch. 12 - In a solution with carbon tetrachloride as the...Ch. 12 - The hydrocarbon naphthalene was frequently used in...Ch. 12 - A gaseous material XY(g) dissociates to some...

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