Predict the sign of the entropy change of the system for each of the following reactions: (a) N2(g) + 3H2(g) ---> 2 NH3(g) (b) CaCO3(s) ---> CaO(s) + CO2(g) (c) 3C2H2(g) ---> C6H6(g) Group of answer choices A.) (a) Δ S > 0 (b) Δ S > 0 (c) Δ  S < 0 B.) (a) Δ S > 0 (b) Δ S < 0 (c) Δ  S > 0 C.) (a) Δ S < 0 (b) Δ S > 0 (c) Δ  S < 0 D.) (a) Δ S < 0 (b) Δ S > 0

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A: Equilibrium constant is defined as ratio of concentration of product to concentration of reactant.

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A: Which change will result in an overall decrease of entropy ?

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Q: The sign for the change in entropy is positive for ...

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