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OpenStudy (anonymous):
How much heat does it take to melt 2.5 kg of lead when it is at its melting point (m.p. = 327.5°C; Hf = 2.04 × 104 J/kg)? 6.2 × 101 J 8.2 × 103 J 5.1 × 104 J 1.7 × 107 J
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