Question

use bond enthalpy values to calculate the enthalpy change for the following reaction?

CH4(g)+2O2(g)-->CO2(g)+2H20(g)

Answer 1

CH

4

(g)+2O

2

(g)⟶CO

2

(g)+2H

2

O(l)

Given, enthalpies of formation of CH

4

,CO

2

and H

2

O are 74.8 kJmol

−1

,−393.5 kJmol

−1

,−286 kJmol

−1

respectively.