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7 July, 16:48

6.0 g of copper was heated from 20 degree c to 90 degree c. How much energy was used to heat cu?

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  1. 7 July, 20:15
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    Copper heat capacity would be 0.385J/C*gram which means it needs 0.385 Joule of energy to increase 1 gram of copper temperature by 1 Celcius. The calculation would be:

    energy = heat capacity * mass * temperature difference

    energy = 0.385J/C*gram * 6g * (90-20)

    energy = 161.7J
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