1689 using the enthalpy of reaction hr data and the

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Unformatted text preview: determine the final pressure in the tank and the amount of heat transfer. Is it realistic to assume that there will be no CO in the tank when chemical equilibrium is reached? 1693 Using Henry's law, show that the dissolved gases in a liquid can be driven off by heating the liquid. Fundamentals of Engineering (FE) Exam Problems 1 2 O2 16100 If the equilibrium constant for the reaction H2 S H 2O is K, the equilibrium constant for the reaction 2H2O 2H2 O2 at the same temperature is (b) 1/(2K) (c) 2K (d) K 2 (e) 1/K 2 16101 If the equilibrium constant for the reaction CO 1 2 O2 S CO2 is K, the equilibrium constant for the reaction CO2 3N2 S CO 1 O2 3N2 at the same temperature is 2 (a) 1/K (b) 1/(K 3) (c) 4K (d) K (e) 1/K 2 (a) 1/K 822 | Thermodynamics 16108 The value of Henry's constant for CO2 gas dissolved in water at 290 K is 12.8 MPa. Consider water exposed to atmospheric air at 100 kPa that contains 3 percent CO2 by volume. Under phase equilibrium conditions, the mole fraction of CO2 gas dissolved in water at 290 K is (a) 2.3 (d) 2.2 10 10 4 4 16102 The equilibrium constant for the reaction H2 1 2 O2 S H 2O at 1 atm and 1500C is given to be K. Of the reactions given below, all at 1500C, the reaction that has a different equilibrium constant is (a) H 2 (b) 2H2 (c) H 2 (d) H 2 (e) H 2 1 2 O2 S H 2O 1 2 O2 at 5 atm at 1 atm at 2 atm 3N2 3N2 at 5 atm at 1 atm O2 2H2O O2 S H 2O 1 2 O2 1 2 O2 (b) 3.0 (e) 5.6 10 10 4 4 (c) 0.80 10 4 3N2 S H 2O 3N2 S H 2O 16109 The solubility of...
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