Respuesta :
-2832.79 kJ heat is produced by combustion of 125 g of methanol under standard state condition.
Equation :
The typical enthalpy of methanol combustion,
It implies that:
When methanol is burned, it produces 726.1 kJ of energy.
Methanol's molar mass is 32.04 g/mol.
So,
When methanol is burned, 32.04 g of it produces 726.1 kJ of energy.
When methanol is burned, it produces 726.1/32.04 kJ of energy.
125 g of methanol is released during burning (726.1/32.04)
energy of 125 kJ
kilojoules (kJ) released: 2832.79
Methanol :
The basic aliphatic alcohol and an organic compound, methanol has the chemical formula CH3OH. It has a pronounced alcoholic odor resembling that of ethanol and is a colorless, colorless, light, volatile liquid that is combustible.
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