The reaction quotient, Q is expresse as some as, that for equilibrium constant K.The value of Q for the given composition of a reaction mixture helps us to know whether the reaction will move forward or backward or remain in equlibrium. It helphs to pedict the effect of pressure on the direction of the gaseous reaction. In some reactions, addition of inert gas also favours either the formation of reactansts or products. The value of equlibrium constant of a reaction changes with change of temperture and the change is gives by van't Hoff equation, d ln K_(p)//dT=DeltaH^(@)//RT^(2) where enthalpy change, DeltaH^(@), is taken as constant in the small temperatue range. For the above reaction in equlibrium, helium gas was added but the mixture was allowed to expand to keep the pressure constant. Then

The reaction quotient, Q is expresse as some as, that for equilibrium

1.	The reaction quotient, Q is expresse as some as, that for equilibrium constant K.The value of Q for the given composition of a reaction mixture helps us to know whether the reaction will move forward or backward or remain in equlibrium. It helphs to pedict the effect of pressure on the direction of the gaseous reaction. In some reactions, addition of inert gas also favours either the formation of reactansts or products. The value of equlibrium constant of a reaction changes with change of temperture and the change is gives by van't Hoff equation, d ln K_(p)//dT=DeltaH^(@)//RT^(2) where enthalpy change, DeltaH^(@), is taken as constant in the small temperatue range. For the above reaction in equlibrium, helium gas was added but the mixture was allowed to expand to keep the pressure constant. Then
Answer» More of ammonia will be formed Ammonia will dissociate back into `N_(2)and H_(2)` There will be no effect on EQULIBRIUM Equlibrium constant of the reaction will change SOLUTION :As volume in increased, concentration will decrease. To KEEP `K_(c)` constant, `[NH_(3)]` shouyld decrease more.