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19 February, 13:29

In two or more complete sentences, explain how to calculate the amount of energy that is transferred when 150 g of cooper cools from 63.0 °C to 21.0 °C. Is the energy absorbed or released? The specific heat of copper is 0.387 J/g*°C.

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  1. 19 February, 13:49
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    Heat gained or lost in a system can be calculated by multiplying the given mass to the specific heat capacity of the substance and the temperature difference. It is expressed as follows:

    Heat = mC (T2-T1)

    Heat = 150 (0.387) (21 - 63)

    Heat = - 2438.1 J of energy released
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