What is the heat of reaction for H2 + Cl2 -> 2HCl, if the heat of comb – McqOptions

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1.	What is the heat of reaction for H2 + Cl2 -> 2HCl, if the heat of combustion of H2 = 2 J, Cl2 = 10 J, and HCl = 10 J?
A.	-8 J
B.	8 J
C.	-10 J
D.	10 J
Answer» B. 8 J

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