How well does the ideal gas law describe the

Chapter 18, Problem 18.44

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How well does the ideal gas law describe the pressurizedair in a scuba tank? (a) To fill a typical scuba tank, an aircompressor intakes about 2300 L of air at 1.0 atm andcompresses this gas into the tanks 12-L internal volume. Ifthe filling process occurs at 20 C, show that a tank holdsabout 96 mol of air. (b) Assume the tank has 96 mol of airat 20C. Use the ideal gas law to predict the airs pressurewithin the tank, (c) Use the van der Waals equation of stateto predict the airs pressure within the tank. For air, thevan der Waals constants are a = 0.1373 N m4/mol2 andb = 3.72 X 10_5m3/mol. (d) Taking the van der Waalsnressnre as the true air nressnre show that the ideal aas law

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