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The standard enthalpies of combustion of...

The standard enthalpies of combustion of` C_(2) H_(5)` (g) and ethanol are -393.5, -286 and -1368 kJ respectively. The heat of formation of ethanol is : `-277 kJ mol ^(-1)`, `+ 277 kJ mol ^(-1)`, `- 554 kJ mol ^(-1)`, `+ 554 kJ mol ^(-1)`

A

`-277 kJ mol ^(-1)`

B

`+ 277 kJ mol ^(-1)`

C

`- 554 kJ mol ^(-1)`

D

`+ 554 kJ mol ^(-1)`

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BRILLIANT PUBLICATION-THERMODYNAMICS AND CHEMICAL ENERGETICS - (LEVEL-II (HOMEWORK)
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