Compute the heat of formation of liquie methyl alcohol is kilojoule per mol using the following data. Heat of vaporisation of liquid methyl alcohol `=38kJ//mol`. Heat of formation of gaseous atoms from the elements in their standard states `:H=218kJ // mol, C=715kJ //mol, O=249kJ //mol.` Average bond energies`:` `C-H415kJ//mol, C-O 356kJ//mol, O-H 463kJ //mol.`

Compute the heat of formation of liquie methyl alcohol is kilojoule pe

1.	Compute the heat of formation of liquie methyl alcohol is kilojoule per mol using the following data. Heat of vaporisation of liquid methyl alcohol `=38kJ//mol`. Heat of formation of gaseous atoms from the elements in their standard states `:H=218kJ // mol, C=715kJ //mol, O=249kJ //mol.` Average bond energies`:` `C-H415kJ//mol, C-O 356kJ//mol, O-H 463kJ //mol.`
Answer» `C_((s))+2H_(2(g))+(1)/(2)O_(2(g)) rarr CH_(3)OH_((l)), DeltaH=?` `DeltaH=` Bond energy data for formation `+` Bond energy data for dissociation `+` Energy released during liquefaction `=-[3C-H+1C-O+1O-H]+[C_(srarrg)+2H-H+(1)/(2)O-O]-[CH_(3)OH_((g))rarr CH_(3)OH_((l))]` `=-[3xx415+356+463]+[715+2xx436+(1)/(2)xx249]-38` `=-266kJ mol^(-1)`

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