Chemistry-
General
Easy
Question
Giventhat-Zn+½O2→ZnO+84000cal..........1 Hg++O →HgO+21700cal.........2 The heat of reaction (ΔH) for, Zn+HgO→ ZnO+Hg is-
- 105700cal
- 62300cal
- –105700cal
- –62300cal
The correct answer is: –62300cal
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