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12 October, 12:30

How much heat is released when 12.0 grams of helium gas condense at 2.17 K? The latent heat of vaporization of helium is 21 J/g.

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  1. 12 October, 12:35
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    To determine the heat released by the process of condensation, we simply multiply the amount of the gas that condensed to the latent heat of vaporization. We do as follows:

    Heat released = 21 J/g (12.0 g) = 252 J of heat released
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