3. A 6.22-kg piece of copper metal is heated from 20.5 °C to 324.3 °C. Calculate the heat absorbed (in kJ) by the metal. 4. Calculate the amount of heat liberated (in kJ) from 366 g of mercury when it cools from 77.0 °C to 12.0 °C.

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3. A 6.22-kg piece of copper metal is heated from 20.5 °C to 324.3 °C.
Calculate the heat absorbed (in kJ) by the metal.
4. Calculate the amount of heat liberated (in kJ) from 366 g of mercury
when it cools from 77.0 °C to 12.0 °C.
Transcribed Image Text:3. A 6.22-kg piece of copper metal is heated from 20.5 °C to 324.3 °C. Calculate the heat absorbed (in kJ) by the metal. 4. Calculate the amount of heat liberated (in kJ) from 366 g of mercury when it cools from 77.0 °C to 12.0 °C.
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