Multiple Choice
Using Hess's law,what is ΔH°rxn for the following reaction? NO(g) + O(g) → NO2(g)
NO(g) + O3(g) → NO2(g) +O2(g) ΔH°rxn = -198.8 kJ/mol
O3(g) → 3/2 O2(g) ΔH°rxn = -142.2 kJ/mol
O2(g) → 2O(g) ΔH°rxn = +498.8 kJ/mol
A) -839.8 kJ/mol
B) -306.0 kJ/mol
C) 157.9 kJ/mol
D) 394.9 kJ/mol
E) 442.3 kJ/mol
Correct Answer:
Verified
Correct Answer:
Verified
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