The heats of formation of `C_(6)H_(6)(l),H_(2)O(l) and CO_(2)(g)` are 11.70,-68.4 and -94.0 kcal respectively. Calculate the heat of combustion of ben

Question

The heats of formation of `C_(6)H_(6)(l),H_(2)O(l) and CO_(2)(g)` are 11.70,-68.4 and -94.0 kcal respectively. Calculate the heat of combustion of ben

The heats of formation of `C_(6)H_(6)(l),H_(2)O(l) and CO_(2)(g)` are 11.70,-68.4 and -94.0 kcal respectively. Calculate the heat of combustion of benzene (l).

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - `-780.9kcal`
`C_(6)H_(6)(l)+(15)/(2)O_(2)(g)to6CO_(2)(g)+3H_(2)O(l),DeltaH=?`
`DeltaH=6xxDeltaH_(f(CO_(2)))+3xxDeltaH_(f(H_(2)O))-DeltaH_(f(C_(6)H_(6)))`

5 views Answered 2023-02-05 15:29