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A 4060 Kg Copper Bar Is Put into a Smelter for for Melting.The

Question 34

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A 406.0 kg copper bar is put into a smelter for melting.The initial temperature of the copper is 300.0 K.How much heat must the smelter produce to completely melt the copper bar? (The specific heat for copper is 386 J/kg • K,the heat of fusion for copper is A 406.0 kg copper bar is put into a smelter for melting.The initial temperature of the copper is 300.0 K.How much heat must the smelter produce to completely melt the copper bar? (The specific heat for copper is 386 J/kg • K,the heat of fusion for copper is ,and its melting point is 1357 K.) A) 2.49 × 10<sup>5</sup><sub> kJ</sub> B) 1.66 × 10<sup>11</sup><sub> kJ</sub> C) 1.66 × 10<sup>8</sup><sub> kJ</sub> D) 2.96 × 10<sup>5</sup><sub> kJ</sub> ,and its melting point is 1357 K.)


A) 2.49 × 105 kJ
B) 1.66 × 1011 kJ
C) 1.66 × 108 kJ
D) 2.96 × 105 kJ

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