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e AS°, rxn

e AS°, rxn

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter8: Thermochemistry
Section: Chapter Questions
Problem 75QAP: Some solar-heated homes use large beds of rocks to store heat. (a) How much heat is absorbed by...
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NO(g) NO2(g) N2O4(g) a. N2O4 > NO2 > NO b. NO > NO2 > N2O4 c. N2O4 > NO > NO2 d. NO > N2O4 > NO2 e. NO2 > NO > N2O4 7. Calculate AS°rxn for the following reaction. The S° for each species is shown below the reaction. C2H2(g) + H2(g) → C2H4(g) 130.7 219.3 S°(J/mol-K) a. +112.3 J/K b. +550.9 J/K 200.9 c. -112.3 J/K d. +337.1 J/K e. -550.9 J/K 8. Calculate the AG°rxn using the following information: 4 HNO3(g) + 5 N2H4(1) → 7 N2(g) + 12 H2O(I) AG°rxn = ? AH°r (kJ/mol) S°(J/mol·K) a. +4.90 x 10³ kJ b. +3.90 x 103 kJ c. -2.04 x 10³ kJ -133.9 50.6 -285.8 266.9 121.2 191.6 70.0
Transcribed Image Text:NO(g) NO2(g) N2O4(g) a. N2O4 > NO2 > NO b. NO > NO2 > N2O4 c. N2O4 > NO > NO2 d. NO > N2O4 > NO2 e. NO2 > NO > N2O4 7. Calculate AS°rxn for the following reaction. The S° for each species is shown below the reaction. C2H2(g) + H2(g) → C2H4(g) 130.7 219.3 S°(J/mol-K) a. +112.3 J/K b. +550.9 J/K 200.9 c. -112.3 J/K d. +337.1 J/K e. -550.9 J/K 8. Calculate the AG°rxn using the following information: 4 HNO3(g) + 5 N2H4(1) → 7 N2(g) + 12 H2O(I) AG°rxn = ? AH°r (kJ/mol) S°(J/mol·K) a. +4.90 x 10³ kJ b. +3.90 x 103 kJ c. -2.04 x 10³ kJ -133.9 50.6 -285.8 266.9 121.2 191.6 70.0
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