8. Thermochemistry
Hess's Law
Multiple Choice
Multiple ChoiceFind ΔHrxn for the following reaction:
N2 + 2 O2 → 2 NO2
Based on the following data.
2 NO → N2 + O2 ΔH = −180 kJ
2 NO + O2 → 2 NO2 ΔH = −112 kJ
A
68 kJ
B
−68 kJ
C
−292
D
292
E
−146
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