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OpenStudy (anonymous):
How much heat does it take to melt 2.5g of lead when it is at its melting point? (m.p.=327.5 degrees C; triangle Hf=2.04 x 10^4J/kg)? a) 6.2 x 10^1J b) 8.2 x 10^3J c) 5.1 x 10^4J d) 1.7 x 10^7J
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