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Chemistry-

General

Easy

Question

Assume each reaction is carried out in an open container. For which reaction will DH=DE?

H(g)+Br(g)→2HBr(g)
C(s)+2HO(g)→2H(g)+CO(g)
PCl5(g)→PCl3(g)+Cl2(g)
2CO(g)+O2(g)→2CO2(g)

The correct answer is: H(g)+Br(g)→2HBr(g)

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