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Chemistry, 31.12.2021 15:00 21nvargas

4. Find the standard enthalpy of formation of ethylene, C2H4(g), given the following data: heat of combustion of C2H4(g) = â€"1411 kJ/mol; ď„HÂ°f[CO2(g)] = â€"393. 5 kJ/mol; ď„HÂ°f[H2O(l)] = â€"285. 8 kJ/mol.

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