First slide
Numericals involving Kc, and Kp
Question

Consider a reversible reaction taking place in a 10 litre closed vessel at  300K, Xg2Zg; Initially two moles of ‘X’ is present in the vessel. At equilibrium two moles of ‘Z’  is formed.  Kc for the reaction at 300 K will be

Moderate
Solution

stoichiometry      1mole     2moles                                Xg  2Zg; initial moles           2             - moles at eqbm    2-1        2 eq. conc                   110      210 Kc=Z2X=0.220.1=0.04M

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