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1. |
What is the heat of reaction for N2 + 3H2 -> 2NH3, if the heat of combustion of N2 = 5 J, H2 = 2 J, and NH3 = 15 J |
A. | -5 J |
B. | 5 J |
C. | -19 J |
D. | 19 J |
Answer» D. 19 J | |