Two containers made of insulating material contain the same volume of water at room
temperature. The containers do not have lids. The volume of liquid in each container gradually
decreases.
(b)
(i) After a certain time, the temperature of the water has decreased to below room
temperature.
Explain, in terms of molecules, why the temperature has decreased.
(ii) One of the containers is wide and shallow. The other container is narrow and deep.
Predict which container has the greater rate of cooling. Explain your answer.
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Explanation:
Two containers made of insulating material contain the same volume of water at room
temperature. The containers do not have lids. The volume of liquid in each container gradually
decreases.
(b)
(i) After a certain time, the temperature of the water has decreased to below room
temperature.
Explain, in terms of molecules, why the temperature has decreased.
(ii) One of the containers is wide and shallow. The other container is narrow and deep.
Predict which container has the greater rate of cooling. Explain your answer.
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