Question

3. Beaker A (Heat Meter) tells us how much heat energy left the hot

Answer 1

540 calories per ml or g of water required to  evaporate only 1 ml of water.

About 540 calories per ml or g of water are needed to convert one gram of water that is present in liquid state into vapor form under normal pressure. The evaporation of  water at removing excess heat from our body is very effective in lowering the temperature of our body and in maintaining homeostasis.

Our body removes heat with the help of water that is move from the small openings present on our skin in the form of sweats so we can say that evaporation of  water at removing excess heat from our body is very effective.

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