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