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OWLv2 with Student Solutions Manual eBook for Masterton/Hurley's Chemistry: Principles and Reactions, 8th Edition, [Instant Access], 4 terms (24 months)
8th Edition
ISBN: 9781305863170
Author: William L. Masterton; Cecile N. Hurley
Publisher: Cengage Learning US
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Textbook Question
Chapter 16, Problem 61QAP
Consider the reaction
Use the appropriate tables to calculate
(a) ΔG° at 552°C (b) K at 552°C
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Calculate ΔG° for each of the following reactions from the equilibrium constant at the temperature given.(a) Cl2(g) + Br2(g) ⟶ 2BrCl(g) T = 25 °C Kp = 4.7 × 10−2(b) 2SO2(g) + O2(g) ⇌ 2SO3(g) T = 500 °C Kp = 48.2(c) H2 O(l) ⇌ H2 O(g) T = 60 °C Kp = 0.196 atm(d) CoO(s) + CO(g) ⇌ Co(s) + CO2(g) T = 550 °C Kp = 4.90 × 102(e) CH3 NH2(aq) + H2 O(l) ⟶ CH3 NH3+(aq) + OH−(aq) T = 25 °C Kp = 4.4 × 10−4(f) PbI2(s) ⟶ Pb2+(aq) + 2I−(aq) T = 25 °C Kp = 8.7 × 10−9
Calculate AGO for each of the following reactions from the equilibrium constant at the temperature given.
(a) N2(g) + O2(g)
(b) H2(g) + I2(g)
2NO(g)
2HI(g)
(c) CO2(g) + H2(g) → CO(g) + H2O(g)
(d) CaCO3(s) →CaO(s) + CO2 (g)
T = 2000 °C
K₁ = 4.1 × 10-4
T = 400 °C
Кр
= $50.0
T = 980 °C
T = 900 °C
Кр
Кр
= 1.67
= 1.04
K₁ = 7.2 × 10-4
(e) HF(aq) + H2O(l) → H3O+ (aq) + F¯(aq)
T = 25 °C
(f) AgBr(s) → Ag+ (aq) + Br(aq)
T = 25 °C
Kp
= 3.3 × 10-13
Consider the following equilibrium between oxides ofnitrogen3 NO(g) ⇌ NO2(g) + N2O(g)(a) calculate ΔH° for this reaction.(b) Will the equilibrium constant for the reaction increase ordecrease with increasing temperature? (c) At constant temperature,would a change in the volume of the containeraffect the fraction of products in the equilibrium mixture?
Chapter 16 Solutions
OWLv2 with Student Solutions Manual eBook for Masterton/Hurley's Chemistry: Principles and Reactions, 8th Edition, [Instant Access], 4 terms (24 months)
Ch. 16 - Spontaneous Processes Which of the following...Ch. 16 - Which of the following processes are spontaneous?...Ch. 16 - Which of the following processes are spontaneous?...Ch. 16 - Which of the following processes are spontaneous?...Ch. 16 - On the basis of your experience, predict which...Ch. 16 - On the basis of your experience, predict which of...Ch. 16 - In each of the following pairs, choose the...Ch. 16 - In each of the following pairs, choose the...Ch. 16 - Predict the sign of ΔS for the following: (a) a...Ch. 16 - Predict the sign of S for the following: (a)...
Ch. 16 - Predict the sign of S for each of the following...Ch. 16 - Predict the sign of S for each of the following...Ch. 16 - Predict the sign of S for each of the following...Ch. 16 - Predict the sign of S for each of the following...Ch. 16 - Predict the order of the following reactions in...Ch. 16 - Predict the order of the following reactions in...Ch. 16 - Use Table 16.1 to calculate S for each of the...Ch. 16 - Prob. 18QAPCh. 16 - Use Table 16.1 to calculate S for each of the...Ch. 16 - Use Table 16.1 to calculate S for each of the...Ch. 16 - Prob. 21QAPCh. 16 - Prob. 22QAPCh. 16 - Calculate G at 82C for reactions in which (a)...Ch. 16 - Calculate G at 72C for reactions in which (a)...Ch. 16 - Calculate G at 355 K for each of the reactions in...Ch. 16 - Calculate G at 415 K for each of the reactions in...Ch. 16 - From the values for G f given in Appendix 1,...Ch. 16 - Follow the directions of Problem 27 for each of...Ch. 16 - Use standard entropies and heats of formation to...Ch. 16 - Follow the directions of Question 29 for the...Ch. 16 - It has been proposed that wood alcohol, CH3OH, a...Ch. 16 - Prob. 32QAPCh. 16 - Sodium carbonate, also called washing soda, can be...Ch. 16 - The reaction between magnesium metal and water (l)...Ch. 16 - In the laboratory, POCl3 (phosphorus oxychloride)...Ch. 16 - Oxygen can be made in the laboratory by reacting...Ch. 16 - Phosgene, COCl2, can be formed by the reaction of...Ch. 16 - When permanganate ions in aqueous solution react...Ch. 16 - Discuss the effect of temperature change on the...Ch. 16 - Discuss the effect of temperature on the...Ch. 16 - At what temperature does G become zero for each of...Ch. 16 - Over what temperature range are the reactions in...Ch. 16 - For the reaction...Ch. 16 - For the reaction...Ch. 16 - For the decomposition of Ag2O:...Ch. 16 - Consider the following hypothetical equation...Ch. 16 - Prob. 47QAPCh. 16 - Prob. 48QAPCh. 16 - Red phosphorus is formed by heating white...Ch. 16 - Organ pipes in unheated churches develop tin...Ch. 16 - Prob. 51QAPCh. 16 - Pencil lead is almost pure graphite. Graphite is...Ch. 16 - Given the following data for sodium Na(s): S =51.2...Ch. 16 - Given the following data for bromine: Br2(l); S...Ch. 16 - Show by calculation, using Appendix 1, whether...Ch. 16 - Show by calculation whether the reaction HF(aq)...Ch. 16 - For the reaction...Ch. 16 - For the reaction...Ch. 16 - Consider the reaction 2SO2(g)+O2(g)2SO3(g) (a)...Ch. 16 - Consider the reaction AgCl(s)Ag+(aq)+Cl(aq) (a)...Ch. 16 - Consider the reaction CO(g)+H2O(g)CO2(g)+H2(g) Use...Ch. 16 - Consider the reaction NH4+(aq) H+(aq)+NH3(aq) Use ...Ch. 16 - Consider the following reaction at 25C:...Ch. 16 - Consider the reaction N2O(g)+NO2(g)3NO(g)K=4.41019...Ch. 16 - For the reaction...Ch. 16 - Consider the decomposition of N2O4 at 100C....Ch. 16 - Use the values for G f in Appendix 1 to calculate...Ch. 16 - Given that H f for HF(aq) is -320.1 kJ/mol and S...Ch. 16 - At 25C, a 0.327 M solution of a weak acid HX has a...Ch. 16 - A 0.250 M solution of a weak base R2NH has a pH of...Ch. 16 - Prob. 71QAPCh. 16 - Given the following standard free energies at 25°C...Ch. 16 - Natural gas, which is mostly methane, CH4, is a...Ch. 16 - Prob. 74QAPCh. 16 - When glucose, C6H12O11, is metabolized to CO2 and...Ch. 16 - Consider the following reactions at 25°C:...Ch. 16 - At 1200 K, an equilibrium mixture of CO and CO2...Ch. 16 - Prob. 78QAPCh. 16 - Prob. 79QAPCh. 16 - Prob. 80QAPCh. 16 - Prob. 81QAPCh. 16 - Carbon monoxide poisoning results when carbon...Ch. 16 - Prob. 83QAPCh. 16 - Determine whether each of the following statements...Ch. 16 - Which of the following quantities can be taken to...Ch. 16 - Fill in the blanks: (a) H° and G° become equal at...Ch. 16 - Fill in the blanks: (a) At equilibrium, G is. (b)...Ch. 16 - Prob. 88QAPCh. 16 - Consider the following reaction with its...Ch. 16 - Consider the graph below: (a) Describe the...Ch. 16 - Prob. 91QAPCh. 16 - Prob. 92QAPCh. 16 - Prob. 93QAPCh. 16 - Hf for iodine gas is 62.4 kJ/mol, and S° is 260.7...Ch. 16 - Prob. 95QAPCh. 16 - The overall reaction that occurs when sugar is...Ch. 16 - Hydrogen has been suggested as the fuel of the...Ch. 16 - When a copper wire is exposed to air at room...Ch. 16 - Kafor acetic acid (HC2H3O2) at 25°C is 1.754105 ....Ch. 16 - Consider the reaction 2HI(g)H2(g)+I2(g)At 500C a...Ch. 16 - Prob. 101QAPCh. 16 - Consider the formation of HI(g) from H2(g) and...
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- Use the data in Appendix J to calculate rG andKPat 25 C for the reaction 2HBr(g)+Cl2(g)2HCl(g)+Br2() Comment on the connection between the sign of rG and the magnitude ofKP.arrow_forwardHydrogen gas and iodine gas react to form hydrogen iodide. If 0.500 mol H2 and 1.00 mol I2 are placed in a closed 10.0-L vessel, what is the mole fraction of HI in the mixture when equilibrium is reached at 205C? Use data from Appendix C and any reasonable approximations to obtain K.arrow_forwardFor the system 2SO3(g)2SO2(g)+O2(g) K=1.32 at 627. What is the equilibrium constant at 555C?arrow_forward
- Describe a nonchemical system that is not in equilibrium, and explain why equilibrium has not been achieved.arrow_forwardConsider a metal ion A2+ and its nitrate salt, In an experiment, 35.00 mL of a 0.217 M solution of A(NO3)2 is made to react with 25.00 mL of 0.195 M NaOH. A precipitate, A(OH)2, forms. Along with the precipitation, the temperature increases from 24.8C to 28.2C. What is H for the precipitation of A(OH)2? The following assumptions can be made. • The density of the solution is 1.00 g/mL. • Volumes are additive. • The specific heat of the solution is 4.18 J/g C.arrow_forwardThe equilibrium constant for a reaction decreases as temperature increases. Explain how this observation is used to determine the sign of either H or S.arrow_forward
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- What is the approximate value of the equilibrium constant KP for the change C2H5OC2H5(l)C2H5OC2H5(g) at 25 C. {Vapor pressure was described in the previous Chapter on liquids and solids; refer back to this chapter to find the relevant information needed to solve this problem.)arrow_forwardAdenosine triphosphate, ATP, is used as a free-energy source by biological cells. (See the essay on page 624.) ATP hydrolyzes in the presence of enzymes to give ADP: ATP(aq)+H2O(l)ADP(aq)+H2PO4(aq);G=30.5kJ/molat25C Consider a hypothetical biochemical reaction of molecule A to give molecule B: A(aq)B(aq);G=+15.0kJ/molat25C Calculate the ratio [B]/[A] at 25C at equilibrium. Now consider this reaction coupled to the reaction for the hydrolysis of ATP: A(aq)+ATP(aq)+H2O(l)B(aq)+ADP(aq)+H2PO4(aq) If a cell maintains a high ratio of ATP to ADP and H2PO4 by continuously making ATP, the conversion of A to B can be made highly spontaneous. A characteristic value of this ratio is [ATP][ADP][H2PO4]=500 Calculate the ratio [B][A] in this case and compare it with the uncoupled reaction. Compared with the uncoupled reaction, how much larger is this ratio when coupled to the hydrolysis of ATP?arrow_forwardConsider the reaction NH4+(aq) H+(aq)+NH3(aq) Use G f for NH3(aq) at 25C=26.7 kJ/mol and the appropriate tables to calculate (a) G at 25C (b) Ka at 25Carrow_forward
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