Homework Help: Physics

Posted by Brittany on Thursday, November 18, 2010 at 8:35pm.

lead melts at 328 degrees C. lead has a heat of fusion of 2.04X10^4 J/kg and a specific heat of 130 J/kgK. how much heat must be removed from 0.50 kg of molten lead (liquid) at 328 degrees C to make it all a solid chunk at 300 degrees C?

Physics - bobpursley, Thursday, November 18, 2010 at 8:37pm
heat= Hf*mass+mass*specific heat*(328-300)

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