In an isolated system, the total heat given off by warmer substances equals the total heat energy gained by cooler substances. Now look at your answer to Question 5. What might have caused the difference you have reported? Even though this data was provided to you, think of the errors the student could have encountered when collecting the data.
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Possible error in the experiment
Explanation:
In an isolated system, the total heat given off by warmer substances equals the total heat energy gained by cooler substances.
In order to prove the above law of conservation of thermal energy, the student measure the heat capacity of the cold and warm waters in each trial performed in a laboratory. He observed that within a closed system, the heat from warmer substances is equal to the total thermal energy gained by the cooler substance. However, there is a probable error that could occur in this experiment if the student fails to record the temperature of the mixed water immediately after it was mixed.
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