Which of the following results in a decrease in the entropy of the system? (For solutions,...
Which of the following results in a decrease in the entropy of the system? (For solutions, consider the entropy of the solute only, not the solvent.)
A. 1 mol of NO (g), 200 K, 1 atm. → 1 mol NO (g), 300 K, 1 atm.
B. 1 mol of NO (g), 300 K, 1 atm. → 1 mol NO (g), 300 K, 2 atm.
C. 1 mol NO (aq), 25 C → 1 mol NO (g), 25 C
D. More than one of the above results (A-C).
E. None of the above results (A-C)
Homework Answers
Answer is B).
Entropy is the measure of degree of disorderness or freedomness. On increasing pressure, entropy decreases because degree of freedomness decreases. On increasing temperature and changing phase from aqueous to gas, entropy increases.
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Which of the following results in a decrease in the entropy of
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