Explain why ice at 0c is more effective in cooling than water at the same tempratur temperature
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Because for melting, each kg of ice takes 3.34×10^5J of its latent heat from that substance and hence cools the substance more effectively. On the other hand, water at the same temperature of 0°C can't take away any such latent heat from the substance and hence does not cool it more effectively.
Latent heat of fusion of ice =3.34×10^5.
Latent heat of fusion of ice =3.34×10^5.
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