The heat of combustion for C , H2 and CH4 are –
349.0, -241.8 and –906.7 kJ respectively. The
heat of formation of CH4 is
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Answer:
-74.1kj.
Explanation:
adding i+2×ii
-349+2×-241.8=-832.6kj.
subtracting from iii
-906.7-(-832.6)=-74.1kj
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