You left 4 block of ice each weighing 50 g outside the refrigerator. after 5 hours all the block of ice melted to water. assuming negligible rise in the temperature of ice and water, how much of energy must have been required for melting?
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latent heat of ice = 80cal/gm
so total Q=mL
mass m =4 (50)
=200
so total energy required would be 200 (80)
=1600 calories
so total Q=mL
mass m =4 (50)
=200
so total energy required would be 200 (80)
=1600 calories
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