The statements in the following multiple choices deal with the concepts of reaction quotients and equilibrium. Choose the statement which is true.

a) As a reaction progresses forward toward equilibrium Q drops.
b) The further away from K the Q value of a reaction mixture is the more unstable the mixture.
c) As a reaction progresses forward toward equilibrium K is the lowest value Q attains.
d) As a reaction progresses backwards toward equilibrium K is the highest value Q attains.
e) A reaction with no products present has an infinite Q value.

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Select all of the correct statements about reaction quotients andequilibrium constants from the choices below.

A reaction quotient equals the equilibrium constant atequilibrium.

A reaction quotient is the same as an equilibrium constant.

The more inherently stable the product of a reaction is the higherthe value of K.

If Q < K the reaction must progress forward to attainequilibrium.

If Q < K the reaction must progress backwards to attainequilibrium.

As a reaction progresses forward toward equilibrium K rises untilit reaches Q.

Select all of the correct statements about reaction quotients and equilibrium constants from the choices below.

(A) A reaction quotient equals the equilibrium constant at equilibrium.

(B) If Q = K the reaction is already at equilibrium.

(C) If Q > K the reaction must progress forward to attain equilibrium.

(D) The more inherently stable the product of a reaction is the higher the value of K.

(E) As concentrations change Q changes, whereas K stays constant.

(F) As a reaction progresses backward toward equilibrium Q drops.

Which statements are true in the following choice? Select all that apply.

Question 16 options:

	Consider the reaction mixture pictures in the graphic labeled "Chemical Equilbrum Graphics" showing the following reaction of ethylene with halogens. Each molecule represents one mole of substance, and the volume of each reaction container is 1 L. C2H4 + X2 <-> C2H4X2 X2 = Cl2 (a), Br2 (b), I2 (c) The picture that shows the reaction mixture with the second highest equilibrium constant is picture b because it shows less amounts of products than picture a and more than picture c
	Consider the reaction mixture pictures in the graphic labeled "Chemical Equilbrum Graphics" showing the following reaction of ethylene with halogens. Each molecule represents one mole of substance, and the volume of each reaction container is 1 L. C2H4 + X2 <-> C2H4X2 X2 = Cl2 (a), Br2 (b), I2 (c) The picture that shows the reaction mixture with the second highest equilibrium constant is picture c because it shows less amounts of products than picture a and more than picture b
	The graphic of the correct answer to the previous question shows that the expression and value of K, the equilibrium constant, is [C2H4X2] / ([C2H4] x [X2]) = 6 / (4 x 4) = 3.75E-1.
	The graphic of the correct answer to the previous question shows that the expression and value of K, the equilibrium constant, is [C2H4X2] / ([C2H4] x [X2]) = (4 x 4) / 6 = 2.67.
	Adding extra amounts of Br2 to the reaction mixture results in shifting the equilibrium toward formation of C2H4 and Br2 and consumption of more C2H4Br2
	Adding extra amounts of Br2 to the reaction mixture results in shifting the equilibrium toward consumption ofC2H4 and Br2 and formation of more C2H4Br2

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