Why should bits of ice be wiped dry before adding them to the calorimeter during the determination of specific latent heat of fusion of ice?
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Energy is required to change water from a solid to a liquid, i.e. to melt ice. In this experiment you will try to measure the latent heat of fusion of ice (LHice), the energy needed (per gram) to melt ice. The needed energy will come from a cup of warm water. The amount of water and its temperature will be measured before adding some ice and then again after the ice has been melted. These data will be used in an energy balance equation to determine LHice.
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IT IS BECAUSE A.DROP WATER ON ICE CHANGES THE SPECIFIC LATENT HEAT OF FUSION OF ICE WHIC MAY LEAD TO IN CORRECT READING
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