The standard heats of formation of \( \mathrm{CH}_{4}(\mathrm{~g}), \mathrm{CO}_{2}(\mathrm{~g})...

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The standard heats of formation of \( \mathrm{CH}_{4}(\mathrm{~g}), \mathrm{CO}_{2}(\mathrm{~g}) \) and \( \mathrm{H}_{2} \mathrm{O}(\swarrow) \) are \( -76.2,-398.8,-241.6 \mathrm{~kJ} \) mol \( { }^{-1} \). Calculate amount of heat evolved by burning \( 1 \mathrm{~m}^{3} \) of methane measured under normal (STP) conditions.
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