What happens when hot coffee is poured into a cold stream
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Explanation: Hot coffee is poured into a cold stream. Which of the following statements is correct? The stream loses heat; the coffee absorbs heat. The stream absorbs heat; the coffee loses heat.
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QUESTION:-
What happens when hot coffee is poured into a cold stream
ANSWER:-
- The cold stream absorbs heat, the coffee loses heat.
EXPLANATION:-
- The Principle Of Calorimetry states that when two bodies of different temperatures are in contact with each other then heat is transferred from the body with higher temperature to the body with lower temperature until thermal equilibrium is obtained between them.
- Heat is released by the body at a higher temperature while heat is absorbed by the body at a lower temperature. The principle of Calorimetry implies the law of conservation of energy. The Law of conservation of energy means that the total heat lost by the hot body is equal to the total heat which is gained by the cold body.
- And in the above case, the streams are the cold body and the hot body is the coffee. Hence, the cold stream absorbs heat while coffee loses heat
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