For complete combustion of methanol \[ \mathrm{CH}_{3} \mathrm{OH}(l)+\frac{3}{2} \mathrm{O}_{2}...

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For complete combustion of methanol
\[
\mathrm{CH}_{3} \mathrm{OH}(l)+\frac{3}{2} \mathrm{O}_{2}(\mathrm{~g}) \rightarrow \mathrm{CO}_{2}(\mathrm{~g})+2 \mathrm{H}_{2} \mathrm{O}(l)
\]
the amount of heat produced as measured by bomb calorimeter is \( 726 \mathrm{~kJ} \mathrm{~mol}^{-1} \) at \( 27^{\circ} \mathrm{C} \). The enthalpy of - combustion for the reaction is \( -\mathrm{x} \mathrm{kJ} \mathrm{mol}^{-1} \), where \( \mathrm{x} \) is
(Given : \( \mathrm{R}=8.3 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1} \) )
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