A 2.50 litres of boiling water (100 C) is poured into a 0.650 kg glass bowl...

 

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A 2.50 litres of boiling water (100 °C) is poured into a 0.650 kg glass bowl that was initially at = 837 J.kg-¹.K-¹ 24.0 °C. Cw=4186 J.kg-¹. K-¹ and cg -1 (a) Calculate the temperature at which thermal equilibrium is reached. Ignore other heat flows. (6) (b) The combination is then allowed to cool off, back to 24.0 °C. Calculate the total amount of (4) heat loss that occurred during this cooling period. A 2.50 litres of boiling water (100 °C) is poured into a 0.650 kg glass bowl that was initially at = 837 J.kg-¹.K-¹ 24.0 °C. Cw=4186 J.kg-¹. K-¹ and cg -1 (a) Calculate the temperature at which thermal equilibrium is reached. Ignore other heat flows. (6) (b) The combination is then allowed to cool off, back to 24.0 °C. Calculate the total amount of (4) heat loss that occurred during this cooling period.

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Volume of water 25 Litres Temperature of water 100C Mass of water 25 kg When the thermal equilibrium ... View the full answer