Heat of formations of A, B, C, and D, are 1 J, 2 J, 3 J, and 4 J respe – McqOptions

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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.	-1 J
B.	1 J
C.	3 J
D.	6 J
Answer» B. 1 J

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