Question

Standard enthalpy of combustion of a substance is given. Then Write thermochemical equation.

Δ_cH⁰[CH₃CHO(l)] = - 1166 kJ mol^-1

Answer 1

\[\ce{CH3CHO(l) + 5/2 O2(g) -> 2CO2(g) + 2H2O(l)}\]             
Δ_cH⁰ = -1166 kJ mol^-1