The combustion of ethene, \( \mathrm{C_2H_4} \), is given by the equation \( \mathrm{C_2H_4 + 3O_2 \rightarrow 2CO_2 + 2H_2O} \); ∆H = - 1428 KJ. If the mol...

Assessment: JAMB UTME - Chemistry - 1989 Subject: Chemistry

Question 1 Report

The combustion of ethene, \( \mathrm{C_2H_4} \), is given by the equation \( \mathrm{C_2H_4 + 3O_2 \rightarrow 2CO_2 + 2H_2O} \); ∆H = - 1428 KJ. If the molar heats of formation of water and carbon (IV) oxide are - 286 kJ and - 396 kJ respectively, calculate the molar heat of formation of ethene in KJ

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