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| 1. |
The following are heats of reactions `:` `(A)` `DeltaH_(f)^(@)` of `H_(2)O(l)=-68.3kcal` `mol^(-)` `(B)` `DeltaH_(comb)^(@)` of `C_(2)H_(2)=--337.2 kcal` `mol^(-)` `(C)` `DeltaH_(comb)^(@)` of `C_(2)H_(4)=-363.7Kal` `mol_(-)` Then the heat charge for the reaction `:-` `C_(2)H_(2)+H_(2)rarrC_(2)H_(4)`A. `-716.1Kcal`B. `+337.2Kcal`C. `-41.8Kcal`D. `-579.5Kcal` |
| Answer» Correct Answer - C | |