How many joules of heat are necessary to melt 500 g of ice at its freezing point?

1 Answer
Junaid Mirza
May 18, 2018

"40 kcal"

Explanation:

Heat required to melt "1 g" of ice at "0°C" is approximately "80 cal". This is also called latent heat of fusion of ice.

For "500 g" of ice

"Q" = 500 cancel"g" × 80 "cal"/cancel"g" = "40000 cal = 40 kcal"

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