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For the Following Reactions,the ΔH°rxn Is NOT Equal to ΔH°f

Question 97

Multiple Choice

For the following reactions,the ΔH°rxn is NOT equal to ΔH°f for the product except for ________.


A) N2 (g) + O2 (g) → 2NO (g)
B) 2H2 (g) + O2 (g) → 2H2O (l)
C) 2H2 (g) + O2 (g) → 2H2O (g)
D) 2C (s, graphite) + 2H2(g) → C2H4 (g)
E) H2O (l) + 1/2 O2 (g) → H2O2 (l)

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