solve it clearly step by step

For the Hydrogen Cyanide synthesis reaction is written as follow: N2(g)+C2H2(g)=2HCN(g) This reaction reaches equilibrium at 650C and 1atm. The feed contains equimolar mixture of N2 and C2H2. a) Calculate the equilibrium constant at the reaction equilibrium conditions. [5] b) Develop an expression for equilibrium conversion (e) assuming ideal gas behavior. [4] c) What is the composition of the system at equilibrium with the assumption made ir part (b)? [2] d) What would be the expression for equilibrium expression if the reaction takes place at a high pressure (200 bar)? [1]