Problem: Liquid butane, C4H10, is stored in cylinders, to be used as a fuel. The normal boiling point of butane is listed as -0.5oC.How much heat must be added to vaporize 235 g of butane if its heat of vaporization is 21.3 kJ/mol?

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We are asked to calculate for the heat that must be added to vaporize 235 g of butane if its heat of vaporization is 21.3 kJ/mol.


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Liquid butane, C4H10, is stored in cylinders, to be used as a fuel. The normal boiling point of butane is listed as -0.5oC.

How much heat must be added to vaporize 235 g of butane if its heat of vaporization is 21.3 kJ/mol?