20. What is A,G° (in kJ) at 500.0 K for the following reaction: Zn(s)+ H2O(g) –→ ZnO(s) + H2(g)?AH°(kJ/mol-rxn) at 298 KS° (J/K mol-rxn) at 298 KSubstanceZn(s)H;O(g)ZnO(s)H2(g)41.6-241.8188.7-350.543.7130.6a) 80.7b) – 80.7c) 92.0d) – 92.0e) -136.7f) none of the above

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20. What is A,G° (in kJ) at 500.0 K for the following reaction: Zn(s) + H2O(g) - ZnO(s) + H2(g)? 200 1

Chemistry

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Question

20. What is A,G° (in kJ) at 500.0 K for the following reaction: Zn(s)+ H2O(g) –→ ZnO(s) + H2(g)?
AH°(kJ/mol-rxn) at 298 K
S° (J/K mol-rxn) at 298 K
Substance
Zn(s)
H;O(g)
ZnO(s)
H2(g)
41.6
-241.8
188.7
-350.5
43.7
130.6
a) 80.7
b) – 80.7
c) 92.0
d) – 92.0
e) -136.7
f) none of the above

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