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1. |
Heat of formations of A, B, C, and D, are 1 J, 2 J, 3 J, and 4 J respectively, what is the heat of reaction 3A + 4B -> 2C + D? |
A. | t-1 J |
B. | t1 J |
C. | t3 J |
D. | t6 J |
Answer» B. t1 J | |