Problem: Which reaction is/are predicted to have a negative entropy of reaction? a) CH3CH2OH (s) → CH3CH2OH (l) b) CH3CH2OH (l, 10 ̊C) → CH3CH2OH (l, 50 ̊C) c) CH3CH2OH (l, 50 ̊C) → CH3CH2OH (l, 10 ̊C) d) Both a and b e) Both a and c

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Problem Details

Which reaction is/are predicted to have a negative entropy of reaction?

a) CH3CH2OH (s) → CH3CH2OH (l)

b) CH3CH2OH (l, 10 ̊C) → CH3CH2OH (l, 50 ̊C)

c) CH3CH2OH (l, 50 ̊C) → CH3CH2OH (l, 10 ̊C)

d) Both a and b

e) Both a and c

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Based on our data, we think this problem is relevant for Professor Elshorbany's class at USF.