Homework Help: chem

Posted by rc on Monday, January 25, 2010 at 10:33pm.

Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.2L of water upon warming from 25C to 50C . Assume that the water is initially saturated with nitrogen and oxygen gas at 25C and a total pressure of 1.0atm. Assume that the gas bubbles out at a temperature of 50C. The solubility of oxygen gas at 50C is 27.8mg/L at an oxygen pressure of 1.00atm. The solubility of nitrogen gas at 50C is 14.6mg/L at a nitrogen pressure of 1.00atm. Assume that the air above the water contains an oxygen partial pressure of 0.21atm and a nitrogen partial pressure of 0.78atm.

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