Multiple Choice
Given the following H values, H2(g) + (1/2) O2(g) H2O(l) H f = -285.8 kJ/mol
H2O2(l) H2(g) + O2(g) H rxn = 187.6 kJ/mol
Calculate H rxn for the reaction H2O2(l) H2O(l) + (1/2) O2(g) .
A) -98.2 kJ/mol
B) -88.2 kJ/mol
C) -78.2 kJ/mol
D) -68.2 kJ/mol
E) None of the above
Correct Answer:

Verified
Correct Answer:
Verified
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