The heat absorbed in this change is called the latent heat of change of state, and may be represented by the symbol L'.

Then let us heat both ice and solution through the infinitesimal temperature range dT to the freezing point T of the solvent, melt the ice by the application of an amount of heat L, which measures its latent heat of fusion, and allow the solvent so formed to enter the solution reversibly through a semi-permeable wall into an engine cylinder, doing an amount of work Pdv.

It is not possible to deduce a more satisfactory value from the latent heat and the change of density, because these constants are very difficult to determine.

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He understood that latent heat (as they say in physics) of patriotism which was present in all these men he had seen, and this explained to him why they all prepared for death calmly, and as it were lightheartedly.

The following are some of the values deduced by well-known experimentalists for the latent heat of fusion: - Regnault, 79.06 to 79.24 calories, corrected by Person to 79.43; Person, 79.99 calories; Hess, 80.34 calories; Bunsen, 80.025 calories.

Its specific gravity is 3.18828 (r), latent heat of fusion 16.185 calories, latent heat of vaporization 45.6 calories, specific heat 0.1071.

Its latent heat of fusion is 11 7 calories, and its latent heat of vaporization is 23.95 calories (P. A.

Though no rise of temperature accompanies the melting of ice, there is yet a definite quantity of heat absorbed, namely, about 80 calories per gram; this is called the latent heat of fusion of water (see FusloN).

First a small quantity of one of the pure components begins to crystallize out, and the rate of cooling is thereby diminished owing to the latent heat liberated by the change of state.

Where L, the latent heat of fusion, is the difference between the heats of evaporation for ice and water, and v is the specific volume of the vapour.