E-1 Qualitative Equilibrium Flashcards
When a system is at equilibrium, how do the rates of the forward reaction and reverse reaction compare?
They are the same
At what time does this system reach at equilibrium?

Appoximately 5 seconds
At what time does this system reach at equilibrium?

Appoximately 4 seconds
Is the value for K for this reactions > 1 or < 1

More products than reactants so > 1
Is the value for K for this reactions > 1 or < 1

More reactants than products so < 1
Right, Left, or No Impact
2 A (g) + B (g) ⇔ A2B (g) + heat
The above reaction is at equilibrium. Which way will the reaction shift if A2B is removed from the system?
Right
Right, Left, or No Impact
2 A (g) + B (g) ⇔ A2B (g) + heat
The above reaction is at equilibrium. Which way will the reaction shift if A2B is added to the system?
Left
Right, Left, or No Impact
2 A (g) + B (g) ⇔ A2B (g) + heat
The above reaction is at equilibrium. Which way will the reaction shift if A is added to the system?
right
Right, Left, or No Impact
2 A (g) + B (g) ⇔ A2B (g) + heat
The above reaction is at equilibrium. Which way will the reaction shift if B is removed from the system?
left
Right, Left, or No Impact
2 M (s) + N (g) ⇔ M2N (g) + heat
The above reaction is at equilibrium. Which way will the reaction shift if some M is added to the system?
No Impact - M is a solid
Right, Left, or No Impact
2 M (s) + N (g) ⇔ M2N (g) + heat
The above reaction is at equilibrium. Which way will the reaction shift if some M is removed from the system?
No Impact - M is a solid
Right, Left, or No Impact
2 A (g) + B (g) ⇔ A2B (g) + heat
The above reaction is at equilibrium. Which way will the reaction shift if the volume of the contained is decreased?
right
Right, Left, or No Impact
2 A (g) + B (g) ⇔ A2B (g) + heat
The above reaction is at equilibrium. Which way will the reaction shift if the volume of the container is increased?
left
Right, Left, or No Impact
2 A (g) + B (g) ⇔ A2B (g) + heat
The above reaction is at equilibrium. Which way will the reaction shift if Neon is added to the container?
No Impact
Right, Left, or No Impact
X2 (g) + Y2 (g) + heat ⇔ 2 XY (g)
The above reaction is at equilibrium. Which way will the reaction shift if the volume of the container is increased?
No Impact
Right, Left, or No Impact
X2 (g) + Y2 (g) + heat ⇔ 2 XY (g)
The above reaction is at equilibrium. Which way will the reaction shift if the volume of the container is decreased?
No Impact
Right, Left, or No Impact
X2 (g) + Y2 (g) + heat ⇔ 2 XY (g)
The above reaction is at equilibrium. Which way will the reaction shift if Argon is added to the container?
No Impact
Right, Left, or No Impact
2 M (s) + N (g) ⇔ M2N (g) + heat
The above reaction is at equilibrium. Which way will the reaction shift if the volume of the container is decreased?
No Impact - M is a solid and there is no change in n for the gases.
Right, Left, or No Impact
2 M (s) + N (g) ⇔ M2N (g) + heat
The above reaction is at equilibrium. Which way will the reaction shift if the volume of the container is increased?
No Impact - M is a solid and there is no change in n for the gases.
Right, Left, or No Impact
X2 (g) + Y2 (g) + heat ⇔ 2 XY (g)
The above reaction is at equilibrium on a hot plate. Which way will the reaction shift if the the hot plate is turned up?
right
Right, Left, or No Impact
X2 (g) + Y2 (g) + heat ⇔ 2 XY (g)
The above reaction is at equilibrium on a hot plate. Which way will the reaction shift if the the hot plate is turned down?
left
Right, Left, or No Impact
2 A (g) + B (g) ⇔ A2B (g) + heat
The above reaction is at equilibrium on a hot plate. Which way will the reaction shift if the hot plate is turned up?
left
Right, Left, or No Impact
2 A (g) + B (g) ⇔ A2B (g) + heat
The above reaction is at equilibrium on a hot plate. Which way will the reaction shift if the hot plate is turned down?
right
Right, Left, or No Impact
2 A (g) + B (g) ⇔ A2B (g) + heat
The above reaction is at equilibrium. Which way will the reaction shift if a catalyst is added to the container?
No Impact
Left, Right, No Impact
Which way will a reaction shift if Q > K?
left
Left, Right, No Impact
Which way will a reaction shift if Q < K?
right
During what time frame (or not at all) is Q < K for this reaction?

0 to 5 seconds
During what time frame (or not at all) is Q > K?

Q is less than K for the first 4 seconds but is not greater than K according to this data
Write out the Law of Mass Action for the following reaction?
2 A (g) + B (g) ⇔ A2B (g) + heat
K = [A2B] / [A]2[B]
Write out the Law of Mass Action for the following reaction?
2 M (s) + N (g) ⇔ M2N (g) + heat
K = [M2N] / [N]; M is a solid
Write out the Law of Mass Action for the following reaction?
X2 (g) + Y2 (g) + heat ⇔ 2 XY (g)
K = [XY]2 / [X2][Y2]