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Latent Heat of Vaporization

How much ener...

Question

How much energy is released or absorbed when $1 g m$ of water at $0^{\circ} C$ freezes to ice at $0^{\circ} C$ ?

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Solution

The amount of energy released when $1 g m$ of water at $0^{o}$ freezes to ice is same as when the same amount of ice is melted into water i.e, each $1 g$ will release heat energy equal to $334 J$ on freezing as latent heat of Fusion of ice is $L = 334 J / g$ .

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