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For complete combusion of methanol CH(...

For complete combusion of methanol
`CH_(3)OH(I) + (3)/(2) O_(2)to CO_(2)(g) + 2H_(2)O(I)`
the amount of heat produced as measured by bomb calorimeter is 726 kJ `mol^(-1)` at `27^(@)C`. The enthalpy of combustion for the reaction is `-x` KJ `mol^(-1)` , where x is __________. (Nearest integer)
(Given : `R = 8.3 JK^(-1) mol^(-1))`

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