Calculate the amount of heat required to change 5 pounds of 32° ice to water

A) No extra heat is required because the ice is already at the melting temperature.
B) 5lbs × 32°F × 0.5 BTU/lb = 80 BTUs
C) 5 lbs × 144 BTUs/lb = 720 BTUs
D) The amount of heat required cannot be calculated without knowing the ending temperature of the water.


C

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