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When a certain reaction is at equilibrium, there is a low concentration of products, and a...
At a given temperature, the equilibrium constant for a certain reaction is 1 X 1014. Does this equilibrium favor products or reactants? Why? Select the single best answer. A very high value for the equilbrium constant favors product formation. O O Significant concentrations of both products and reactants are present at equilibrium. A very high value for the equilbrium constant favors reactant formation. A very low value for the equilibrium constant favors reactant formation. A very low value for the...
9. What does it mean if Keq < 1, at equilibrium? The concentration of reactants is greater than the concentration of products. b. The concentration of products is greater than the concentration of reactants. The rate of the forward reaction is greater than the rate of the reverse reaction. c. d. The rate of the reverse reaction is greater than the rate of the forward reaction. e. The concentration of products and reactants are about the same. Which of the...
30 For which of the following Keg values does the equilibrium lie to the right? a) Keq = 1 x 10-14 b) Keq = 1 x 10-4 c) Keq = 1 x 105 d) Keg = 1 x 1015 e) no correct response 32 According to collision theory, which of the following factors influences the rate of a reaction? Choose all that apply. a) the molar mass of the reactants b) the pH of the reactants c) the physical state...
Q(22) Kp=Kc when? A) The reaction is at equilibrium B) The reaction is exothermic C) The reaction is endothermic D) all of the gasses present are at the same temperature E) the number of moles of gas on both sides of the balanced equation is the same. Q(23) HAH +A at the equilibrium (HA) = 1.65* 10-2 M and [H") = (A-) = 5.44*10-4 M at equilibrium. Kc = A) 1.7 X 10-1 C) 1.7 X 103 D) 1.7 X...
9. Find the equilibrium concentrations for all reactants and products in the following equilibrium reaction. The initial concentration of the N2 is 0.78M and the initial concentration of O2 is 0.21M. There is no product initially. The equilibrium constant is K = 2.36 x 10-5. If you make any assumptions you are required to prove that they were valid! N2 + O2 yield 2 NO The equilibrium concentration of the N2 is __________________________ The equilibrium concentration of the O2 is...
1. The initial concentrations of reactants and products for this reaction are given below. N2(g) + O2(g) ⇄ 2NO(g) Calculate Q for this reaction. Answer this to one decimal place (e.g. 10.2) The initial concentration of N2 is 1.0 M The initial concentration of O2 is 1.0 M The initial concentration of NO is 2.5 M 2. The reaction below is not at equilibria and Q = 1.7. The equilibrium constant is K = 0.230. 2SO3(g) ⇌ 2SO2(g) + O2(g)...
A chemical reaction has reached equilibrium when A) the concentrations of reactants and products are equal. B) all reactants have been converted to products. all products have been removed from the reaction mixture. D) the catalyst has been used up. E) the rate of the forward reaction equals the rate of the reverse reaction. 6) An equilibrium in which all the components are gases is a A) heterogeneous equilibrium. D) homogeneous B) liquid C) catalytic E) reversible 7) The equilibrium...
O KINETICS AND EQUILIBRIUM Using a rate law The rate of a certain reaction is given by the following rate law: rate =k[N][H] Use this information to answer the questions below. What is the reaction order in N2? DO What is the reaction order in H2? X 5 ? What is overall reaction order? At a certain concentration of N, and Hz, the initial rate of reaction is 2.0 x 105 M/s. What would the initial rate of the reaction...
QUESTION 1 12 pc The term chemical equilibrium # refers to a state of a reversiblo • chemical reactions in which the rate # of the forward reaction is equal to the rate of the reverse reaction An equilibrium constant is a measure of the products • of a reaction Very high Kvalues mean that the concentration of products is high and for very, very high K-values it can be stated that a reaction is practically irreversible Very low K-values...
Select all of the true statements regarding chemical equilibrium. The concentrations of reactants and products are equal. The concentrations of reactants and products remain constant. Reactants are being converted to products and vice versa. The rates of the forward and reverse reactions are equal. Write the equilibrium constant expression for the reaction A(s)+3 B() 2C (aq) D(aq) in terms of [A]. [B]. [C], and [D] K = Write the equilibrium-constant expression for the reaction shown in terms of [A]. [B]....