Question

the pressure needed for the reaction co(g) + 2H2O (g) - CH3OH(l) is​

Answer 1

Answer:

The equilibrium constant is 26.

First, write the balanced chemical equation with an ICE table.

CO(g) + 2H₂(g) ⇌ CH₃OH(g)

I/mol·L⁻¹: 0.500; 0.100; 0

C/mol·L⁻¹: -

x

; -2

x

; +

x

E/mol·L⁻¹: 0.500 -

x

; 0.100 - 2

x

;

x

At equilibrium, [CO] = 0.15 mol/L = (0.500 -

x

) mol/L

So

x

= 0.500 – 0.15 = 0.35

Then

[

H

2

]

= (0.100 - 2

x

) mol/L = (0.100 – 2×0.35) mol/L = 0.30 mol/L

and

[

CH

3

OH

]

=

x

mol/L = 0.35 mol/L

K

eq

=

[

CH

3

OH

]

[

CO

]

[

H

2

]

2

=

0.35

0.15

×

0.30

2

= 26