Question

Calculate the enthalpy of formation of CH4 from the following data:

i) C(s) + O2(g) → CO2(g); ∆H = -393.7 kJ/mol

ii) H2(g) + ½ O2(g) → H2O(l); ∆H = -285.8 kJ/mol

iii) CH4(g) + 2 O2(g)→ CO2(g) + 2H2O(l); ∆H = -890.4 kJ/mol (​

Answer 1

Answer:

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Explanation:

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