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Question 2 60 pts 2. A 5.00 cubic yard tank contains 193 moles of nitrogen, 125...
A 5.00 cubic yard tank contains 193 moles of nitrogen, 125 moles of oxygen, 145 moles of helium, and 169 moles of carbon dioxide at 220oF. Calculate the partial pressure of each gas in the mixture. 1 yard = 3 feet, 1 foot = 12 inches, and 1 inch = 2.54 cm.
Almost all gaseous systems that we use are gas mixtures, air is the most obvious example. Air is composed of 78% nitrogen, 20% oxygen, 1 % argon, 1% water vapor, 0.3% carbon dioxide. Chemists often express the composition of a gas not with percent, but with a fraction. The mole fraction of nitrogen,ΧN2 , in air is defined as ΧN2= nN2 ⁄ nTotal = 0.78 The pressure of a gas mixture is the sum of the partial pressures of each...