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Using the Given Data,determine ΔRG° at 500

Question 45

Multiple Choice

Using the given data,determine ΔrG° at 500.0 K for the reaction below. Ba(s) + H2O(g) → BaO(s) + H2(g)
Substance
ΔfH°(kJ/mol-rxn) at 298 K
S° (J/K·mol-rxn) at 298 K
Ba(s)
0
62) 8
H2O(g)
-241.8
188) 7
BaO(s)
-592
70) 4
H2(g)
0
130) 6


A) 325.0 kJ/mol-rxn
B) -325.0 kJ/mol-rxn
C) 335.2 kJ/mol-rxn
D) -335.2 kJ/mol-rxn
E) -375.5 kJ/mol-rxn

Correct Answer:

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