Shifts in Equilibrium - Quiz Quiz

Question 1

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?

Revolt · Accepted Answer

D: The chemical equilibrium will shift to the left.

Question 2

According to Le Chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that

Revolt · Accepted Answer

B: reduces the stress.

Question 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?

Revolt · Accepted Answer

B: The chemical equilibrium will shift to the left.

Question 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?

Revolt · Accepted Answer

A: The equilibrium will shift to the left to favor the reactants.

Question 5

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 A q power plus SO sub 4 raised to the 2 minus power A q The addition of which compound will cause a shift in equilibrium because of a common ion effect?

Revolt · Accepted Answer

D: MgSO sub 4

Question 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?

Revolt · Accepted Answer

D: The forward reaction will be favored.

Question 7

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

Revolt · Accepted Answer

C: The equilibrium constant changes with a change in temperature.

Question 8

Consider the reaction cap h sub 2 of g plus cap i sub 2 times g if and only if 2 HI g What is the reaction quotient, cap q , for this system when open bracket cap h sub 2 close bracket is equal to 0 point 1 0 0 cap m , open bracket cap i sub 2 close bracket is equal to 0 point 2 0 0 cap m , and HI is equal to 3 point 5 0 cap m ?

Revolt · Accepted Answer

D: 613

Question 9

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

Revolt · Accepted Answer

D: The value of the equilibrium constant  cap k  remains the same.

Question 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?

Revolt · Accepted Answer

C: The chemical equilibrium of the system shifts to the left.

Shifts in Equilibrium - Quiz Quiz Answers

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