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When 2mole of C(2)H(6) are completely bu...

When 2mole of `C_(2)H_(6)` are completely burnt `-3129kJ` of heat is liberated. Calculate the heat of formation of `C_(2)H_(6).Delta_(f)H^(Theta)` for `CO_(2)` and `H_(2)O` are `-395` and `-286kJ`, respectively.

A

`-167`kJ

B

`-83.5`kJ

C

`+85.98`kJ

D

`334`kJ

Text Solution

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The correct Answer is:
B
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TARGET PUBLICATION-CHEMICAL THERMODYNAMICS AND ENERGETICS -CRITICAL THINKING
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