Student Solutions Manual For Masterton/hurley's Chemistry: Principles And Reactions, 8th
8th Edition
ISBN: 9781305095236
Author: Maria Cecilia D. De Mesa, Thomas D. Mcgrath
Publisher: Cengage Learning
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Chapter 16, Problem 66QAP
Consider the decomposition of N2O4 at 100°C.
(a) What is ΔG° at that temperature?
(b) What is K at 25°C? (
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Chapter 16 Solutions
Student Solutions Manual For Masterton/hurley's Chemistry: Principles And Reactions, 8th
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_forwardElemental boron, in the form of thin fibers, can be made by reducing a boron halide with H2. BCl3(g) + 3/2 H2(g) B(s) + 3HCl(g) Calculate H, S, and G at 25 C for this reaction. Is the reaction predicted to be product favored at equilibrium at 25 C? If so, is it enthalpy driven or entropy driven?arrow_forwardA crucial reaction for the production of synthetic fuels is the production of H2 by the reaction of coal with steam. The chemical reaction is C(s) + H2O(g) CO(g) + H2(g) (a) Calculate rG for this reaction at 25 C, assuming C(s) is graphite. (b) Calculate Kp for the reaction at 25 C. (c) Is the reaction predicted to be product-favored at equilibrium at 25 C? If not, at what temperature will it become so?arrow_forward
- Consider the decomposition of red mercury(II) oxide under standard state conditions.. 2HgO(s,red)2Hg(l)+O2(g) (a) Is the decomposition spontaneous under standard state conditions? (b) Above what temperature does the reaction become spontaneous?arrow_forwardWhich contains greater entropy, a quantity of frozen benzene or the same quantity of liquid benzene at the same temperature? Explain in terms of the dispersal of energy in the substance.arrow_forwardElemental boron, in the form of thin fibers, can be made by reducing a boron halide with H2. BCl3(g) + 32 H2(g) B(s) + 3 HCl(g) Calculate rH, rS, and rG at 25 C for this reaction. Is the reaction predicted to be product-favored at equilibrium at 25 C? If so, is it enthalpy- or entropy-driven? [S for B(s) is 5.86 J/K mol.]arrow_forward
- Consider the reaction 2SO2(g)+O2(g)2SO3(g) (a) Calculate G at 25C. (b) If the partial pressures of SO2 and SO3 are kept at 0.400 atm, what partial pressure should O2 have so that the reaction just becomes nonspontaneous (i.e., G=+1.0 k J)?arrow_forwardConsider the reaction CO(g)+H2O(g)CO2(g)+H2(g) Use the appropriate tables to calculate (a) G at 552C (b) K at 552Carrow_forwardSilver carbonate, Ag2CO3, is a light yellow compound that decomposes when heated to give silver oxide and carbon dioxide: Ag2CO3(s)Ag2O(s)+CO2(g) A researcher measured the partial pressure of carbon dioxide over a sample of silver carbonate at 220C and found that it was 1.37 atm. Calculate the partial pressure of carbon dioxide at 25C. The standard enthalpies of formation of silver carbonate and silver oxide at 25C are 505.9 kJ/mol and 31.05 kJ/mol, respectively. Make any reasonable assumptions in your calculations. State the assumptions that you make, and note why you think they are reasonable.arrow_forward
- Given the following data at 25C 2NO(g)N2(g)+O2(g)K=1 10 30 2NO(g)+Br2(g)2NOBr(g)K=8 101 Calculate K for the formation of one mole of NOBr from its elements in the gaseous state.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_forwardFor the decomposition of formic acid, HCOOH(l)H2O(l)+CO(g) H = +29 kJ/mol at 25C. a Does the tendency of this reaction to proceed to a state of minimum energy favor the formation of water and carbon monoxide or formic acid? Explain. b Does the tendency of this reaction to proceed to a state of maximum entropy favor the formation of products or reactants? Explainarrow_forward
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