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1. For each of the following reactions, indicate whether you would expect the entropy of the system...

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Chemistry

1. For each of the followingreactions, indicate whether you would expect the entropy of thesystem to increase or decrease, and explain why. If you cannot telljust by inspecting the equation, explain why.

a.CH3OH(l)CH3OH(g)

b.N2O4(g)2NO2(g)

c. CO(g) + H2O(g)CO2(g) + H2(g)

d.2KClO3(s) 2KCl(s) +3O2 (g)

e.2NH3(g) +H2SO4(aq)(NH4)2SO4(aq)

2. Predict which of the followingreactions has a positive entropy change.

I. 2 N2(g) + O2(g) à 2N2O(g)

II. CaCO3(s) à CaO(s) + CO2(g)

III. Zn(s) + 2 HCl(aq) à ZnCl2(aq) +H2(g)

Answer & Explanation Solved by verified expert
3.7 Ratings (363 Votes)
When the number of gaseous molecules increases from reactant to product entropy increases Also entropy increases when a solid is converted to liquid and when a liquid is converted to gas a CH3OHl CH3OHg Here entropy of the system increases because the substance is    See Answer
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