3. Beaker A (Heat Meter) tells us how much heat energy left the hot
plate and entered into Experiment Beaker C. One calorie of energy
is the amount of heat required to increase the temperature of 1 ml
of water 1°C. How much did the temperature change in Beaker A?
°C. (Subtract the starting temperature if it was above 0°C.)
4. Now, calculate the total calories of heat recorded by the Heat Meter
(Beaker A) considering both the amount of water in it and the
temperature change of the water.
calories
5. The answer to question #4 is the amount of energy to vaporize 10 ml
of water in Beaker C. How many calories would be required to
evaporate only 1 ml of water?
calories
6. Based on your results, discuss how effective is the evaporation of
water at removing excess heat from your body (sweating).
L

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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