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Consider the following reaction: 2 AB2 (g) ⟶ 2 AB(g) + B2(g)           ΔHo= +480.0 kJ/mol a.) Do you expect ΔSsys to be positive, negative, or zero? Explain clearly, giving at least two reasons for your answer. b.) Based on your answer in (a), would you expect this reaction to be more or less spontaneous at higher temperatures? Explain clearly. c.) Calculate ΔSsurr in J/K if the surroundings are at 375 K.

Consider the following reaction: 2 AB2 (g) ⟶ 2 AB(g) + B2(g)           ΔHo= +480.0 kJ/mol a.) Do you expect ΔSsys to be positive, negative, or zero? Explain clearly, giving at least two reasons for your answer. b.) Based on your answer in (a), would you expect this reaction to be more or less spontaneous at higher temperatures? Explain clearly. c.) Calculate ΔSsurr in J/K if the surroundings are at 375 K.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Consider the following reaction:
2 AB2 (g) ⟶ 2 AB(g) + B2(g)          

ΔHo= +480.0 kJ/mol


a.) Do you expect ΔSsys to be positive, negative, or zero? Explain clearly, giving at least two reasons for your answer.


b.) Based on your answer in (a), would you expect this reaction to be more or less spontaneous at higher temperatures? Explain clearly.


c.) Calculate ΔSsurr
in J/K if the surroundings are at 375 K.

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