The normal melting point of copper is 1357 K, and of Cu is
Chapter 12, Problem 47(choose chapter or problem)
The normal melting point of copper is 1357 K, and of Cu is (a)How much heat, in kilojoules, is evolved when a 3.78 kg sample of molten Cu freezes? 13.05 kJ mol-1. Hfus (b) How much heat, in kilojoules, must be absorbed at 1357 K to melt a bar of copper that is 15 cm * 12 cm? (Assume d = 8.92 g>cm3 for Cu.)
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