The given reaction is: CO2(g)+C(s)⇌2CO(g) Δn= Moles of gaseous products − Moles of gaseous reactants =2−1 =1 First we need to calculate Kp as shown below. Kp=
(pCO)2
(pCO2)
=
(0.6)2
0.15
=2.4 Now, the value of Kc is calculated as: Kp=Kc(RT)Δn 2.4=Kc(0.0821×1000)1 Kc=