Equilibria Calculations Through "Completing the Power"
Chapter 16-5
UALR
Dr. Robert Belford & Xiaomin Tu




Question 1
For the reaction, what is the equilibrium concentration of Br2 at 4400C if initially [H2]= 0.60M [HBr]=1.25M [Br2]=0.6 and k=50?

(A)  0.27M
(B)  0.50M
(C)  0.65M
(D)  0.98M
 
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Question 2
What is the equilibrium concentration of HBr?
(A)  1.00M
(B)  1.91M
(C)  2.11M
(D)  3.61M
 
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Question 3
For the reaction, what is the equilibrium concentration of HCl if the initial [Cl2]=0.1M, [HBr]=0.20M, [Br2]=[HCl]=0 and k=15?

(A)  0.14M
(B)  0.28M
(C)  0.39M
(D)  0.42M
 
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Question 4
What is the equilibrium concentration of HBr in Q3?
(A)  0.02M
(B)  0.04M
(C)  0.06M
(D)  0.08
 

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Question 5
For the reaction, What is [O2] at equilibrium if 0.050mol of N2O2, O2, and NO2 are mixed in a 1.0L container?k=25

(A)  0.02M
(B)  0.04M
(C)  0.06M
(D)  0.08M
 
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