AnswersChemistryShifts in Equilibrium

Shifts in Equilibrium — Quiz Answers

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Consider this equation in chemical equilibrium. cap h sub 2 SO sub 4 A q if and only if 2 cap h raised to the plus plus SO power sub 4 raised to the 2 minus power What will happen to the chemical equilibrium if HCl is added to the system?

A
The chemical equilibrium will be lost permanently.
B
The chemical equilibrium will not be affected.
C
The chemical equilibrium will shift to the right.
D
The chemical equilibrium will shift to the left.
3

Consider the chemical equilibrium of the reaction. NH sub 4 OH A q if and only if NH sub 4 raised to the plus A q power plus OH raised to the negative e q power What will happen to the chemical equilibrium if NH sub 4 Cl is added to this solution?

A
The chemical equilibrium will shift to the right.
B
The chemical equilibrium will shift to the left.
C
The chemical equilibrium will be lost.
D
The chemical equilibrium will not shift.
4

Consider the reaction cap h sub 2 of g plus cap i sub 2 times g if and only if HI times g with an equilibrium constant of 46 point 3 and a reaction quotient of 525 Which direction will the system shift to?

A
The equilibrium will shift to the left to favor the reactants.
B
The equilibrium will shift to the forward reaction.
C
The equilibrium will not shift in any direction.
D
The equilibrium will shift to the right to favor the products.
6

Consider the chemical equation in equilibrium. 2 cap h sub 2 g plus cap o sub 2 times g if and only if 2 cap h sub 2 cap o g What will happen if the pressure of the system is increased?

A
The reaction will not change.
B
The reaction will stop completely.
C
The reverse reaction will be favored.
D
The forward reaction will be favored.
7

According to Le Chatelier’s principle, which statement is true ?

A
The equilibrium constant increases with the concentration of reactants.
B
The equilibrium constant is unchanged by temperature changes.
C
The equilibrium constant changes with a change in temperature.
D
The equilibrium constant decreases with the concentration of products.
9

According to Le Chatelier’s principle, what happens to the equilibrium constant cap k when the concentration of the reactants is doubled?

A
The value of the equilibrium constant cap k changes unpredictably.
B
The value of the equilibrium constant cap k is halved.
C
The value of the equilibrium constant cap k is doubled.
D
The value of the equilibrium constant cap k remains the same.
10

Consider the chemical equilibrium of the reaction. AgCl times s if and only if Ag raised to the plus A q power plus Cl raised to the negative A q power What will happen to the chemical equilibrium if AgNO sub 3 is added?

A
There is no shift in the chemical equilibrium of the system.
B
The chemical equilibrium of the system shifts to the right.
C
The chemical equilibrium of the system shifts to the left.
D
The chemical equilibrium of the system is destroyed.

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