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OpenStudy (anonymous):
3. You have a 2.00 kg block of lead. Lead melts at 327.5°C. CPb = 130.0 , and Hf for lead is 2.04 × 104 J/kg. Say you start at room temperature (25.0°C). How much heat must you transfer to melt all the lead?
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OpenStudy (anonymous):
Figure the heat needed to take it from 25oC to the melting point, then add the heat needed to melt that mass at the melting point temperature. You have the info needed.
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