Stoutacus Stoutacus

16-05-2017
Physics

contestada

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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Аноним Аноним

29-05-2017

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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moneshabass moneshabass

10-12-2018

The correct answer is -250 J.

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