General Chemistry - Quiz 1 2001

General Chemistry - Quiz 1 2001 - October 2, 2001 Dr....

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Page 1 of 8 October 2, 2001 Dr. Rashmi Venkateswaran CHM 1310 DN GENERAL CHEMISTRY QUIZ 1 NAME STUDENT ID. No. DEMONSTRATOR’S NAME: LAB DAY: R = 8.314 J/molK = 0.08206 L atm/molK 1 atm = 760 Torr = 101.325 kPa 1. Sulfur dioxide reacts with oxygen in the presence of platinum to give sulfur trioxide: 2 SO 2 (g) + O 2 (g) 2 SO 3 (g) (5) Suppose that at one stage in the reaction, 26.0 mol SO 2 , 83.0 mol O 2 and 17.0 mol SO 3 are present in the reaction vessel at a total pressure of 0.950 atm. Calculate the mole fraction and partial pressure of each gas.
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Page 2 of 8 2. The solubility of a gas is 0.0010 g/100 g H 2 O at 25 ° C and 1 atm. Would you expect the solubility of the gas to be less at: a) lower temperature and higher pressure? b) higher temperature and lower pressure? c) Lower temperature and same pressure? d) Same temperature and higher pressure? e) The identity of the gas must be known to answer this question. (3)
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General Chemistry - Quiz 1 2001 - October 2, 2001 Dr....

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