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Which of the following transformations represent an increase in the entropy of the system. choose all that apply
a. 2 mol he (1.42 atm, 470k)2 mol he (1.42 atm, 235k)
b. 4 mol co2 (5.28 l, 205k)4 mol co2 (10.6 l, 205k)
c. 26 g c6h6 (liquid, 353k)26 g c6h6 (gas, 353k)
d. 40 g cu (liquid, 1.356×103k)40 g cu (solid, 1.356×103k)
e. 26 g c6h6 (liquid, 284k)26 g c6h6 (liquid, 348k)
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