A substance, B, has a normal boiling point of +89.3°C, and a heat of vaporization of 260 J/g. How much heat is required to change 150 grams of B from a liquid at 89.3°C to a gas at 89.3°C?
A) 5.2 × 102 J
B) 3.9 × 104 J
C) 4.4 × 105 J
D) 1.1 × 105 J
E) 1.6 × 105 J
Correct Answer:
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