Calculate the heat of combustion of eithene
`CH_(2) = CH_(2)(g) + 3O_(2)(g) rarr 2CO_(2)(g) + 2H_(2)O(I)`
The bond energy data are given below
C = C = 619 kJ `mol^(-1)`
C – H = 414 kJ `mol^(-1)`
O = O = 499 kJ `mol^(-1)`
C = O = 724 kJ `mol^(-1)`
O – H = 460 kJ `mol^(-1)`
`CH_(2) = CH_(2)(g) + 3O_(2)(g) rarr 2CO_(2)(g) + 2H_(2)O(I)`
The bond energy data are given below
C = C = 619 kJ `mol^(-1)`
C – H = 414 kJ `mol^(-1)`
O = O = 499 kJ `mol^(-1)`
C = O = 724 kJ `mol^(-1)`
O – H = 460 kJ `mol^(-1)`
Correct Answer – `-964 kJ” “mol^(-)`