1.

The enthalpy change for the reaction C_(2)H_(6(g)) rarr 2C_((g)) + 6H_((g)) is x kJ. The bond energy of C-H bond is:

Answer»

`-434.8kJ`
`-869.6 KJ`
`+434.8kJ`
`+217.4kJ`

ANSWER :C


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