What is the heat of reaction for 2H₂ + O₂ -> 2H₂O, if heat of fo – McqOptions

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1.	What is the heat of reaction for 2H₂ + O₂ -> 2H₂O, if heat of formation of H₂, O₂, and H₂O are 2 J, 5 J, and 10 J respectively?
A.	2 J
B.	5 J
C.	8 J
D.	11 J
Answer» E.

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