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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