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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Question
![(a) In which process is there a greater change in entropy, an isothermal or an adiabatic?
Explain your answer.
(b) 1 mole of NOz(e) at 1 atmosphere or 1 mole of NO2(g) at 0.05 atmosphere and both are at the
same temperature. Which case the entropy is greater and why?
(c) Starting from Gibbs's Free energy Equation, get the mathematical equation for the
equilibrium temperature.
(d) When a pure crystalline substance is at absolute zero temperature, what will happen to its
entropy? Write the principle or law that is related to your answer.
(e) Give an example of a gas phase reaction, where the entropy in the forward path is negative?
Explain how your example gives negative entropy.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F927273c1-8d76-4b67-b3f2-a9d72922abcf%2F77623409-c6db-402f-be8b-f186c70eb4e4%2Fea6xzyi_processed.png&w=3840&q=75)
Transcribed Image Text:(a) In which process is there a greater change in entropy, an isothermal or an adiabatic?
Explain your answer.
(b) 1 mole of NOz(e) at 1 atmosphere or 1 mole of NO2(g) at 0.05 atmosphere and both are at the
same temperature. Which case the entropy is greater and why?
(c) Starting from Gibbs's Free energy Equation, get the mathematical equation for the
equilibrium temperature.
(d) When a pure crystalline substance is at absolute zero temperature, what will happen to its
entropy? Write the principle or law that is related to your answer.
(e) Give an example of a gas phase reaction, where the entropy in the forward path is negative?
Explain how your example gives negative entropy.
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