Question

A Which one of the following will change the value of an equilibrium constant? a) Varying the initial concentrations of reactants b) Varying the initial concentration of products c) Changing the volume of the reaction vessel d) Changing temperature e All of the above 5) The equililbrium constant for the gas phase reaction N2(g)+3H2(g) 2NH,(g) is Keg 4.34 x 10 at 300°C. At equilibrium a) products predominate b) only products are present reactants predominate d) only reactants are present roughly equal amounts of products and reactants are present. e) 6 At 400K, the equilibrium constant for the reaction Br2le)+Chle) 2BrCl(g) is Kp 7.0. A closed vessel at 400K is charged with 1.00 atm of Br2(g), 1.00 atm of Cl2lg), and 3.00 atm of BrCl(g). Use Q to determine which of the statements below is true. a) The equilibrium partial pressure of Br2 will be lower than 1.00 atm. b) At equilibrium, the total pressure in the vessel will be less than the initial total pressure. c) The reaction will go to completion since there are equal amounts of Br2 and Cl2 d) The equilibrium partial pressure of BrCl(g) will be less than 3.00 atm. The equilibrium partial pressure of BrCl(g) will be greater than 3.00 atm. 7) Given the following reaction: CO(E)+2H2(g) CH2OH (g) In an experiment, 0.57 mol of CO and 0.65 mol of H2 were placed in a 1.00-L reaction vessel. At equilibrium there were 0.35 mol of CO remaining. Kea at the temperature of the experiment is a) 17.5 b) 12.7 14.3 0.132 None of the above e

Answer 1

Do rate if you understand

4 & Only temperature can affect for a reaction. given AS Kea is small so reachant is in matar amount. presart Brilgs & Cola Cg, ²2. Brela) Brex Pul ix o so reachian akp directian Shift in backa , hence pressure due to will Bread decrease so less than 3 am colgst 2 Hag) ~ 0.57 0.65 CH₂OH(GI Initiali Equilibrium 0.57-4 0.65-24 8.57-x= 0.35 x = 0.5T-0.05 moles of the a - D65 - 20:32 0.6s. so, kar Ergon] [co] [ra] - 14.25 0.25x (0.2172 14.3

Answer 2

correct options are:

d

c

b

d

c