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

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


B

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