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A physics student took a number full of ...

A physics student took a number full of dry ice with a thermometer placed in ti .He strted supplying heat energy at constant rate by placing it on a heating device .The student observed no change in the thermometer reading even after 90 % of ice melted explain what happened to the heat energy supplied

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When ice at `0^@C` is changed into water at `0^@C`, the energy is used to increase the intermolecular spacing and to change into the liquid state. The heat energy supplied is not used to increase the temperature of the substance.
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