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March 29, 2015

Homework Help: physics

Posted by maria on Friday, December 9, 2011 at 11:29am.

A 1.67-kg block of aluminum at 21.7C is to be melted and reshaped. How much heat must flow into the block in order to melt it?
use the following values:
For copper:
c_copper=0.386 kJ/kg.K
T_fusion=1359 K
L_fusion=205 kg/K

For aluminum:
c_aluminum=0.900 kJ/kg.K
T_fusion=932 K
L_fusion=396 kg/K

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