Heat of formations of A, B, C, and D, are 3 J, 5 J, 4 J, and 8 J respe – McqOptions

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1.	Heat of formations of A, B, C, and D, are 3 J, 5 J, 4 J, and 8 J respectively, what is the heat of reaction 2A + 2B -> 2C + D?
A.	-5 J
B.	0
C.	5 J
D.	8 J
Answer» C. 5 J

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