Exam 16: Thermodynamics: Entropy, free Energy, and Equilibrium

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The figure represents the spontaneous evaporation of nitrogen in which liquid nitrogen,N2(l),becomes gaseous nitrogen,N2(g): N2(l)→ N2(g).What are the signs (+ or -)of ΔH,ΔS,and ΔG for this process? The figure represents the spontaneous evaporation of nitrogen in which liquid nitrogen,N<sub>2</sub>(l),becomes gaseous nitrogen,N<sub>2</sub>(g): N<sub>2</sub>(l)→ N<sub>2</sub>(g).What are the signs (+ or -)of ΔH,ΔS,and ΔG for this process?

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For which of the following will the entropy of the system increase?

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Which forward reaction is a nonspontaneous process?

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Calculate ΔS° for the following reaction. N2(g)+ 2 O2(g)→ 2 NO2(g) Calculate ΔS° for the following reaction. N<sub>2</sub>(g)+ 2 O<sub>2</sub>(g)→ 2 NO<sub>2</sub>(g)

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