Magnitude of the Equilibrium Constant
AP Chemistry · Flashcards · Application
AP CHEMISTRY · FLASHCARDS
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QUESTION
Calculate
K
p
K_p
K
p
from
K
c
=
50
K_c = 50
K
c
=
50
for
H
2
(
g
)
+
I
2
(
g
)
⇌
2
H
I
(
g
)
H_2(g) + I_2(g) \rightleftharpoons 2HI(g)
H
2
(
g
)
+
I
2
(
g
)
⇌
2
H
I
(
g
)
at 300 K.
QUESTION
What is the equilibrium constant
K
c
K_c
K
c
for the reverse reaction if the forward reaction has
K
c
=
10
K_c = 10
K
c
=
10
?
QUESTION
If
K
p
=
5
K_p = 5
K
p
=
5
and
K
c
=
5
K_c = 5
K
c
=
5
for a reaction, what is
△
n
\triangle n
△
n
?
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ANSWER
△
n
=
0
\triangle n = 0
△
n
=
0
. When
K
p
=
K
c
K_p = K_c
K
p
=
K
c
, the change in gas moles is zero.
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