Chem 1212K Practice Exam 1

Chem 1212K Practice Exam 1 - CHEM 1212K 1. Practice Exam...

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CHEM 1212K Practice Exam One A Spring 2011 1. What is the correct equilibrium expression for the following chemical reaction? A) K = P Fe 3 P H 2 4 P H 2 O 4 B) K = P H 2 4 P H 2 O 4 C) K = P H 2 P H 2 O D) K = P Fe 3 O 4 P H 2 4 P Fe 3 P H 2 O 4 E) K = P H 2 O 4 P H 2 4 2. Given the reaction: 2 NO 2 (g) N 2 O 4 (g) The following depiction will cause the reaction to ____ to reattain equilibrium. A) Shift to the left B) Shift to the right C) Yield no shift D) Shift to the left if exothermic E) Shift to the right if endothermic
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CHEM 1212K Practice Exam One A Spring 2011 3. A mixture of I 2 (partial pressure is 0.01 bar), Cl 2 (partial pressure is 0.01 bar), and ICl (partial pressure is 0.20 bar) are allowed to equilibrate. The K for the reaction is 83. What is the equilibrium concentration of ICl as determined using an equilibrium table with the variable “ x ” representing the change in concentration. I 2 (g) + Cl 2 (g) 2 ICl (g) A) 0.20 + x B) 0.20 – x C) 0.20 + 2x D) 0.20 – 2x E) 0.20 + 4x 2 4. 1. A 2 (g) + B 2 (g) 2AB(g) K 1 = 10 2 2. 2A 2 (g) + C 2 (g) 2A 2 C (g) K 2 = 10 - 4 3. A 2 C (g) + B 2 (g) 2AB(g) + (1/2)C 2 (g) What is the value for K for reaction 3? A) 10 -2 B) 10 4 C) 10 6 D) 10 2 E) 10 -4 5. What is the conjugate acid of HCO 3 - ? A) H 2 O B) CO 3 2- C) H 3 O + D) H 2 CO 3 E) OH -
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CHEM 1212K Practice Exam One A Spring 2011 6. Which of the following statements is TRUE?
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Chem 1212K Practice Exam 1 - CHEM 1212K 1. Practice Exam...

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