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Unformatted text preview: -mol-1 and the air obeys ideal gas law. If you are on the mountain, should you expect rain or snow? Derive the expression and solve it. 3. If a gas obeys van der Waals equation (P + a/V 2 )(V-b) = RT prove that ∂ ∂ U V at constant temperature =a/V 2 . 4. What is the expected boiling point of water at 98.7 kPa. The heat of vaporization is 2258 Jg-1 , the molar volume of liquid water is 18.78 cm 3 mol-1 , and the molar volume of steam is 30.199 dm 3 mol-1 all values referring to 373.1K and 1atm. 5. Determine the degrees of freedom for the following systems a) A solution of KCl in water b) A solution of KCl and NaCl c) Ice in a solution of water and alcohol (Whisky on Rocks anybody!)...
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This note was uploaded on 11/28/2010 for the course CHEM 310 taught by Professor Ryan during the Spring '10 term at Michigan State University.
- Spring '10