Question

why hot water is hot and cold water is cold?​

Answer 1

Answer:

hot water is hot and cold water is cold

Explanation:

by changing temperatures.

Answer 2

As we heat up water, the water molecules gain energy and hence they vibrate more vigorously than cold water.

So, in the process of vibration, they loses more energy as compared to cold water.

Since, energy is released, so we feel hot to touch hot water as compared to cold water.

In short words :-

Amount of heat energy released in case of hot water is more than cold water, so we feel hot water as hot and cold water as cold.

Because if energy is released, it increases the temperature of its surroundings.

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