You are responsible for a process that uses an acetylene (C2H2) torch in atmospheric air.
Your supervisor has just contacted you and said that she believes the process is generating (HCN) and is not safe. Answer the following questions:

(a) Your supervisor has stated that she has calculated the equilibrium mole fraction of HCN based on the following:

(i) Consideration of only the single reaction to produce HCN (ii) 500% excess air for C2H2 combustion (however, the combustion reaction is not considered)
(iii) A torch temperature of 1000°C (iv) The enthalpy of reaction is a constant Repeat her calculation, considering only the reaction to produce HCN (i.e., ignore the combustion reaction); what is the mole fraction of HCN produced?

(b) After more consideration, you decide you need to consider a second reaction, the combustion of C2H2 to form H2O and CO2. Solve for the equilibrium concentration of HCN, including this reaction, as well. Use the conditions of ii, iii, and iv from part (a).