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SO2(g)+Cl2(g)⇄SO2Cl2(g)
SO2(g) and Cl2(g) react with each other to produce SO2Cl2 (g) according to the equation above. A mixture of 1.00atm of SO2(g)and 1.00atm of Cl2(g) is placed in a rigid, evacuated 1.00L container, and the reaction mixture is allowed to reach equilibrium at a certain temperature. The table below shows the initial partial pressure of each gas and the equilibrium partial pressures of SO2 and SO2Cl2(g) at the same temperature.
P?o2 P Cl2 PSO2Cl2
Initial Pressure (atm) 1.00 1.00 0.00 Equilibrium Pressure (atm) 0.20 ? 0.80
Which of the following indicates the equilibrium value of PCl2 and the approximate value of the equilibrium constant Kp ?
a) PCl2=0.10atm and Kp=5.0
b) PCl2=0.20atm and Kp=0.050 c) PCl2=0.20atm and Kp=20. d) PCl2=0.80atm and Kp=0.025
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