# (Set 1) Practice Problems in Equilibrium Part A: Finding K A(g) + 3 B(g) 2 C(g)...

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(Set 1) Practice Problems in Equilibrium Part A: Finding K A(g) + 3 B(g) 2 C(g) 1. Initially [A] -0.52 M and [B] - 1.82 M. At equilibrium (A) - 0.22 M. Find K. 2. [C] -1.55 M, and (C) -0.044 M. Determine the value of K. 3. Initially [C] -0.00455 M; at equilibrium (B) - 0.00035. What is K? 20,() = 3 02(8) 4. 10.1-0.5 M, and [O:) -0.5 M. What is the value of K? 5. What is the value of Kif (0,1 - 10.) - 166 M, and at equilibrium [C] -2.71 M? 6. Initially [0.1 -0.0040 M, and at equilibrium (0.1 -0.0039 M. What is K? Part B: Using K 2 NO(g) = N2(g) + O2(g) 7. Initially [NO] -0.772 M. 18K = 30.25, what is [NO],? 8. Initially [N] -0.10 Mand (0 - 0.10 M. IFK-0.040, find INOL 9. [NO] -0.50 M and [Na-0.030 M. IFK - 7000, find (NO). 10. Initially INO-051. IN -0.42, and 10] -0.19. IrK-0115, what is INOL ? (hint: calculate to determine which direction the reaction will proceed). MacBook Air
Part C: Le Châtelier 11. Consider the following reaction that is already reached equilibrium: A(s) + 2 B(g) = 2 C(g), AH<0 How would the system respond to these disturbances? 2. Addition of A b. Removal of B c. Addition of C d Increasing the volume of the container e. Increasing the temperature Adding an inert gas such as Helium & Adding a catalyst 12. Consider the following reaction that is already reached equilibrium Wag) + X(aq) = Y(3) +Zg), AH > 0 What prodding would you do to push the reaction forward? MacBook Air WERTY U io - DF
Part A: Finding K A(g) + 3 B(g) = 2(g) 1. Initially [A] -0.52 M and [B] -1.82 M. At equilibrium (A) - 0.22 M. Find K. 2. (C) - 1.55 M, and (C) = 0.044 M. Determine the value of K. 3. Initially (C) -0.00455 M; at equilibrium (B) - 0.00035. What is K? 20:(g) = 3 O2(g) 4. [Ok-0.5 M, and [02], -0.5 M. What is the value of K? 5. What is the value of K if [Oul-(02) - 1.66 M, and at equilibrium (0.] - 2.71 M? 6. Initially [0.1 -0.0040 M, and at equilibrium (0.] -0.0039 M. What is K? Part B: Using K 2 NO(g) = N2(g) + O2(g) 7. Initially [NO] = 0.772 M. IFK = 30.25, what is (NO)? 8. Initially (N) - 0.10 M and [O:] = 0.10 M. IFK-0.040, find [NO]. 9. [NO] -0.50 M and [N.) -0.030 M. IFK - 7000, find [NO] 10. Initially [NO] -0.51. [N] -0.42, and [0] -0.19. If K=0.115, what is (NO)? (hint: calculate to determine which direction the reaction will proceed). MacBook Air

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