Question 3 please. It's a practice exam. Will post the answer with it. Answer SectionMULTIPLE CHOICE1.2.3.4.5.6.7.ANS: A8.ANS: E9. ANS: B10.ANS: D11. ANS: BANS: EANS: EANS: BANS: AANS: DANS: B12. ANS: E13. ANS: A14.ANS: A15.ANS: A16.ANS: D17.ANS: A18.ANS: E19. ANS: B20.ANS: B21.22.ANS: AANS: C 2.For the reaction 2HCl(g) = H₂(g) + Cl₂(g), Kc = 0.290 at 400 K. If 1.50x10³ M of HC1, H₂, and Ch₂ are mixedinitially at 400 K, which one of the following will happen?The concentrations of HCl and Cl₂ will increase as the system approaches equilibrium.The concentrations of H₂ and Cl₂ will increase as the system approaches equilibrium.a.b.C.d.e.The system is at equilibrium.The concentrations of H₂ and HCI will decrease as the system approaches equilibrium.The concentration of HCI will increase as the system approaches equilibrium.3. The value of the equilibrium constant (Kc) for the reaction N₂(g) + 3H₂(g) + 2NH3(g) is 4.34x10³ at 300 °C.Which of the following statements will be true regarding the system at equilibrium?a. The products will predominate.b. The reactants will predominate.c. Only reactants will be present.d. Only products will be present.e. Roughly equal amounts of products and reactants will be present.. A 3.80 mol sample of HI is placed in a 1.00 L vessel at 460 °C, which is allowed to undergo decompositionaccording to the equation 2HI(g) = H₂(g) + I₂(g). At equilibrium, there is 1.85 mol of I2(g) present in the flaskWhat is the value of the equilibrium constant (Kc) for the reaction at 460 °C?34.23e. 4.22

Answered: Image /qna-images/answer/5f188c4b-9215-401e-adbb-a9f52340f3b5.jpg

3. The value of the equilibrium constant (Kc) for the reaction N₂(g) + 3H₂(g) = 2NH3(g) is 4.34x10 at 300 °C. Which of the following statements will be true regarding the system at equilibrium? a. The products will predominate. b. The reactants will predominate. c. Only reactants will be present. d. Only products will be present. e. Roughly equal amounts of products and reactants will be present.

3. The value of the equilibrium constant (Kc) for the reaction N₂(g) + 3H₂(g) = 2NH3(g) is 4.34x10 at 300 °C. Which of the following statements will be true regarding the system at equilibrium? a. The products will predominate. b. The reactants will predominate. c. Only reactants will be present. d. Only products will be present. e. Roughly equal amounts of products and reactants will be present.

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter12: Chemical Equilibrium

Section: Chapter Questions

Problem 12.41PAE: Because calcium carbonate is a sink for CO32- in a lake, the student in Exercise 12.39 decides to go...

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