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Equilibrium constants (Kc vs Kp)
Related Topics
Wize University Chemistry Textbook > Equilibrium
Kc vs Kp
1 Activity
At 25
o
C, the K
p
for the reaction N
2
O
4
(g) ⇌ 2 NO
2
(g) is 0.31. What is the value of K
c
?
92.4 R
0.001 R
0.001 R
-1
92.4 R
-1
0.31 R
I don't know
Check Submission
More Kc vs Kp Questions:
Calculating Kc from Kp Practice Problem
At 25
o
C, the K
p
for the reaction N
2
O
4(g)
⇌ 2 NO
2(g)
is 0.31, what is the value of K
c
?
Consider the reaction of nitrogen and oxygen gases to produce nitric oxide:
N
2
(
g
)
+
O
2
(
g
)
⇌
2
N
O
(
g
)
K
c
=
4.0
×
10
−
4
a
t
1750
o
C
N_2(g)+O_2(g) \rightleftharpoons 2NO(g)\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ K_c=4.0\times 10^{-4}\ \ at\ \ 1750 \ ^oC
N
2
(
g
)
+
O
2
(
g
)
⇌
2
N
O
(
g
)
K
c
=
4.0
×
1
0
−
4
a
t
1750
o
C
What is the value of K
p
for this reaction at 1750 °C?
For which of the following reactions are K
p
and K
c
equal?
At 25
o
C, the K
p
for the reaction N
2
O
4
(g) ⇌ 2 NO
2
(g) is 0.31. What is the value of K
c
?
Calculating Kc from Kp Practice Problem
At 25
o
C, the K
p
for the reaction N
2
O
4(g)
⇌ 2 NO
2(g)
is 0.31, what is the value of K
c
?
The reaction for the reforming of methane from steam is given by:
C
H
4
(
g
)
+
H
2
O
(
g
)
⇌
C
O
(
g
)
+
3
H
2
(
g
)
CH_4(g)+H_2O(g)⇌CO(g)+3H_2(g)
C
H
4
(
g
)
+
H
2
O
(
g
)
⇌
C
O
(
g
)
+
3
H
2
(
g
)
A closed reaction vessel starts with initial concentrations of 1.00 M for every gas. After reaching equilibrium at a particular temperature, the final CO concentration was measured to be 0.80 M. Determine K
C
for this reaction at this temperature.