AP Chemistry Information & Summer Assignment 2011

A rigid tank is filled part-way with water. After adding the water, the tank contains 15.0 l of air, the temperature is 26°C, and the total pressure inside the tank is 99.7 kPa. If the temperature is lowered to 21°C, what is the new pressure inside the tank? (You may assume that air and water vapor behave as ideal gases, and you may neglect ... ................
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