Calculate the amount of heat required to change 5 lb of 212°F water to steam
A) 5 lb × 970 BTU/lb = 4,850 BTU
B) The amount of heat required cannot be calculated without knowing the starting temperature of the water.
C) 5 lb × 212°F × 1 BTU/lb = 1,060 BTU
D) No extra heat is required because the water is already at the boiling point.
A
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