$5$ points

From the following equations and enthalpy changes

$,H{?}_{f(CO2g)}=-393\mathrm{.}5k\frac{J}{m}ol$

$,H_2{O}_{f(H2O)}$

Calculate the standard enthalpy of formation of acetylene $(C_2{H}_{2(g)})[[$:$5$Marks$\}$

Your answer

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