ch15_extra_problems

# ch15_extra_problems - 1 For the following system 2.000...

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2 1. For the following system, 2.000 moles of CO is placed in a 5.000-L flask and allowed to reach c equilibrium, at a particular temperature. The value of K for this reaction is 2.000 x 10 . What are the ! 6 concentrations of all substances at equilibrium? 22 2 CO (g) W 2 CO(g) + O (g) Answer: [CO ] = 0.3914 M [CO] = 8.618 x 10 M [O ] = 4.309 x 10 M ! 3 ! 3 p 2. For the following reaction the equilibrium constant, K , is 1.00 x 10 . Suppose a mixture consists of 2 0.5000 atm of AB, 0.01000 atm of A and 0.01000 atm of B. What are the partial pressures of all substances at equilibrium? (HINT: You must first determine which direction the reaction proceeds.) A(g) + B(g) W 2 AB(g) Answer: [A] = 0.0433 atm [B] = 0.0433 atm [AB] = 0.4333 atm c 3. For the following reaction the equilibrium constant, K , is 3.000 x 10 . Suppose a mixture consists of ! 5 0.2000 moles of A and 0.02000 moles of B (and NO C) in a 2.000-L flask. What are the concentrations of all substances at equilibrium? A(aq) W B(aq) + C(aq) Answer: [A] = 0.0997 M [B] = 1.030 x 10 M [C] = 3.000 x 10 M ! 2 ! 4

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2 1. For the following system, 2.000 moles of CO is placed in a 5.000-L flask and allowed to reach c equilibrium, at a particular temperature. The value of K for this reaction is 2.000 x 10 . What are the !
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ch15_extra_problems - 1 For the following system 2.000...

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