chemistry - combustion

Write the chemical equation for the complete combustion of each fuel. Then find the enthalpy of combustion, ΔHcomb, of each fuel. Express your answers in kJ/mol and kJ/g. Assume that water vapour, rather than liquid water, is formed in both reactions.
CH4 + 2O2 ↔ 2H2O + CO2
2H2 + O2 ↔ 2H2O
how do i go about after this...

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  1. http://www.ausetute.com.au/hesslaw.html

    http://faculty.kfupm.edu.sa/chem/mamorsy/photogallery/Lect_Notes/Chapter06/LN/Hesslaw.html

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    bobpursley

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