SCience1078 SCience1078

02-06-2022
Chemistry

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1) H₂(g)+Br₂(g)➝2HBr(g) has a heat of reaction of _ kJ.

2)CH₄(g)+I₂(g)➝CH₃I(g)+HI(G) has a heat of reaction of _kj.

3)N₂H₄(I)+O₂(g)➝N₂(g)+ 2 H₂O(g) has a heat of reaction of __kj.

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