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[1cm^(3)" of water at its boiling point ...

[1cm^(3)" of water at its boiling point absorbs "],[540" cal of heat to become steam with a volume "],[1.013times10^(5)Nm^(-2)" and the mechanical equivalent "],[" heat "=4.19Jca^(-1)" .The energy spend in this proces,"],[" in overcoming intermolecular forces is "],[" a."540" cal "],[[" c."500" cal "," b."40" cal "],[" d.zero "]]

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