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


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