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23 January, 10:48

How can you calculate changes in thermal energy?

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  1. 23 January, 11:28
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    Answer:Calculate the thermal energy change when 0.200 kg of water cools from 100°C to 25.0°C.

    change in temperature = (100 - 25) = 75.0°C.

    change in thermal energy = mass * specific heat capacity * change in temperature.

    = 0.200 * 4,180 * 75.0.

    = 62,700 J (62.7kJ)
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