Aweather balloon is inflated to a volume of 27.5 l at a pressure of 750 torr and a temperature of 30.3 ∘c. the balloon rises in the atmosphere to an altitude of approximately 7600 m, where the pressure is 400 torr and the temperature is -15.3 ∘c assuming the balloon can freely expand, calculate the volume of the balloon at this altitude.

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Explain what happens at the saturation point when adding salt to water at room temperature.

Compare the maximum rate of heat transfer to the basal metabolic rate by converting a bmr of 88 kcal/hr into watts. what is the value? from this comparison you should see why the body can accommodate a modes amount of activity in hot weather but strenuous activity would increase the metabolic rate above the body's ability to remove heat [12].