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

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


D

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