Equilibrium Constant
Chapter 16-1
Dr. Robert Belford & Xiaomin Tu
Question 1
Which one of the following is the equilibrium constant expression for
(A)
k=[HBr]
2
/[H
2
][Br
2
]
(B)
k=[HBr]
2
/[H
2
]
(C)
k=[HBr]/[H
2
]
(D)
none of the above
Hint
Your response
Not answered yet
Question 2
What is the equilibrium concentration of HBr if H
2
and Br
2
are both 0.80M, and K=8.0x10
3
at 25
0
C.
(A)
40.M
(B)
80.M
(C)
160M
(D)
none of the above
Hint
Your response
Not answered yet
Question 3
Calculate K
p
at 25
0
for a system at equilibrium if:
P
H
2
= 2.500x10
-3
atm,
and P
HBr
= 1.500atm?
(A)
45.00
(B)
128.0
(C)
900.0
(D)
none of the above
Hint
Your response
Not answered yet
Question 4
What is K
c
for the system in question 3?
(A)
36.80
(B)
45.70
(C)
128.6
(D)
none of the above
Hint
Your response
Not answered yet
Question 5
What is the value of K
c
for reaction (1)?
(A)
900
(B)
1100
(C)
1300
(D)
none of the above
Hint
Your response
Not answered yet
Question 6
What is the value of K
c
for step (3) of question 5?
(A)
6.4 x 10
6
(B)
8.5 x 10
6
(C)
9.6 x 10
6
(D)
none of the above
Hint
Your response
Not answered yet
Question 7
Does step 1 in question 5 favor reactants or products?
(A)
products
(B)
reactants
(C)
equal
(D)
not enough information
Hint
Your response
Not answered yet
