How much energy is required to change 12.9 g of solid Cu to molten Cu at 1083 °C (melting point)?
Heat of fusion for Cu = 205 J/g

Name: How much energy is required to change 12.9 g of solid Cu to molten Cu at 1083 °C (melting point)? Heat of fusion for Cu = 205 J/g
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Quizplus · Accepted Answer

The energy required to melt a substance is calculated by multiplying the mass by the heat of fusion. For Cu, it is 12.9 g * 205 J/g = 2644.5 J, which rounds to 2640 J.

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