Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Chemistry
Chemistry
Problem
A student writes the following expression for
K
c
K_c
K
c
for the reaction
C
a
C
O
3
(
s
)
⇌
C
a
O
(
s
)
+
C
O
2
(
g
)
\mathrm{CaCO_3(s)} \rightleftharpoons \mathrm{CaO(s)} + \mathrm{CO_2(g)}
CaC
O
3
(
s
)
⇌
CaO
(
s
)
+
C
O
2
(
g
)
:
K
c
=
[
C
a
O
]
[
C
O
2
]
[
C
a
C
O
3
]
K_c = \frac{[\mathrm{CaO}][\mathrm{CO_2}]}{[\mathrm{CaCO_3}]}
K
c
=
[
CaC
O
3
]
[
CaO
]
[
C
O
2
]
Identify the species that should be omitted and write the correct equilibrium-constant expression.
Browse the problem library