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[enas1970]

a slosed container of 2 litres volume contains 8 moles of nitrogen gas and 12 moles of oxygen gas react togather according to the equation : N2g +1/2 O2g N2O g and at equliberium the sum of moles of reactant and products is 17 moles :

a- calculate the number of moles of each gas at equliberium

b - calculate the equlibrium constamt Kc of the reaction