Question

hay answer this plzz
The enthalpy of combustion of methane, graphite and dihydrogen at 298K are -
890kJ/mol, -393.5kJ/mol and -285kJ/mol respectively .Enthalpy of formation of CH4(g) will be

a)-74.8kJ/mol

b) -52.27 kJ/mol

c) +74.8 kJ/mol

d)+ 52.26 kJ/mol​

Answer 1

Explanation:

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