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16 January, 13:37

The heat of vaporization of a substance is the heat that 1kg of that substance needs to : O freeze O vaporize O solidify O melt

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  1. 16 January, 16:39
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    vaporize

    Explanation:

    Heat of vaporization of a substance is the heat required to transform 1 kg of substance to vapor as the name suggests. Heat of vaporization is related to pressure. Normally a liquid will start to vaporize when the vapor pressure of the surrounding liquid and the liquid being heated become equal.

    The heat of vaporization of water is 40660 J/mol.
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