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11-2 - 2 The following reaction is at equilibrium C(s H 2...

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CHEMISTRY 106 RECITATION QUIZ (1/28) Name __________________________________________ Section ________ 1. For the reaction H 2(g) + I 2(g) 2HI (g) at 402 K, the equilibrium constant equals 300.9. a. If H 2 = 5.34 atm, I 2 = 4.11 atm and HI = 0 atm are added to an empty reaction vessel, determine the equilibrium partial pressures of H 2 , I 2 and HI. b. After the reaction reaches equilibrium, additional amounts of H 2 , I 2 , and HI are added to the reaction vessel: 0.111 atm of H 2 , 0.555 atm I 2 and 4.11 atm of HI. What is the value of the reaction quotient, Q, after this addition?
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c. Is the reaction product or reactant favored? Which way will equilibrium shift? d. What are the new equilibrium partial pressures of H 2 , I 2 and HI?
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Unformatted text preview: 2. The following reaction is at equilibrium C (s) + H 2 O (g) ⇌ CO (g) + H 2(g) ∆ H ° = 131.3 kJ Predict the direction in which the equilibrium position will shift if the following changes are made (specify left or right). a. The amount of H 2 O is increased b. The amount of C (s) is increased c. The total pressure is increased d. The temperature is increased 3. Write two chemical reactions in which HSO 4-is in equilibrium with (1) it’s conjugate base, and (2) it’s conjugate acid. 1) 2) 4. Circle any species which fits the distinction of “weak”, and underline those which are called “strong.” HF NaOH HClO 4 Mg(OH) 2 NH 3 HNO 3 HC 2 H 3 O 2 Sr(OH) 2...
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