Am i right?, if not what is the right answer

Which of the following electromagnetic waves can create ions?

Why do cells appear different in distilled water than they do in 10% salt water?

Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?