Calculate ΔS° for each of the following reactions. Explain the sign of ΔS° based on the molecular level changes that are occurring in each case. (S°MgCl2(s) = 89.5 J/mol K; S°Mg(OH)2(s) = 63.1 J/mol K) a)N2H4(g) + H2(g) ⇌ 2 NH3(g) b)2 Al(s) + 3 Cl2(g) ⇌ 2 AlCl3(s) c)Mg(OH)2(s) + 2 HCl(g) ⇌ MgCl2(s) + 2 H2O(l)
Calculate ΔS° for each of the following reactions. Explain the sign of ΔS° based on the molecular level changes that are occurring in each case. (S°MgCl2(s) = 89.5 J/mol K; S°Mg(OH)2(s) = 63.1 J/mol K) a)N2H4(g) + H2(g) ⇌ 2 NH3(g) b)2 Al(s) + 3 Cl2(g) ⇌ 2 AlCl3(s) c)Mg(OH)2(s) + 2 HCl(g) ⇌ MgCl2(s) + 2 H2O(l)
Chemistry by OpenStax (2015-05-04)
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ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
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Chapter16: Thermodynamics
Section: Chapter Questions
Problem 15E: Indicate which substance in the given pairs has the higher entropy value. Explain your choices.. (a)...
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Calculate ΔS° for each of the following reactions. Explain the sign of ΔS° based on the molecular level changes that are occurring in each case. (S°MgCl2(s) = 89.5 J/mol K; S°Mg(OH)2(s) = 63.1 J/mol K)
a)N2H4(g) + H2(g) ⇌ 2 NH3(g)
b)2 Al(s) + 3 Cl2(g) ⇌ 2 AlCl3(s)
c)Mg(OH)2(s) + 2 HCl(g) ⇌ MgCl2(s) + 2 H2O(l)
d)2 CH4(g) ⇌ C2H6(g) + H2(g)
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