Examine each of the reactions in the multiple choices below and decide whether t

Question

Examine each of the reactions in the multiple choices below and decide whether the entropy change for each reaction (Sorxn) should be positive or negative. Pick the correct choice based on your analysis. a) For the reaction, C2H4(g) + H2(g) C2H6(g), Sorxn > 0. b) For the reaction, 2 Fe(s) + O2(g) 2 FeO(s), Sorxn > 0. c) For the reaction, N2O4(g) 2 NO2(g), Sorxn < 0. d) For the reaction, CH4(g) + 2 O2(g) CO2(g) + 2 H2O(l), Sorxn < 0. e) For the reaction, 2 SO2(g) + O2(g) 2 SO3(g), Sorxn > 0.

Explanation / Answer

a)-ve

b)-ve

c)+ve

d)-ve

e)-ve

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