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A 59.9kg mass of copper is melted to be cast into a graphite mold at a copper pipe foundry. If the solid copper starts off

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A 59.9kg mass of copper is melted to be cast into a graphite mold at a copper pipe foundry. If the solid copper starts off at the normal melting temperature of copper and the liquid copper is put into the mold at the crystallization point of copper, how much heat is added to melt the copper

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