Question

Ella had a beaker of warm water Its temperature was 70 degrees celsius She poured in some water and stirred the mixture. When she measured the temperature of the water, it had fallen to 40 degree celsius

Explain why the temperature of the water decreased when the cold water was added to it

Answer 1

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We know, hot water has more energy than the cold water , so when cold water is added in the beaker then heat transfer occurs from hot water to cold water to balance the Energy, causing the drop of temperature from 70° C to 40° C.

Note : Heat transfers occurs from hotter object to cooler one.

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