Do sulphates react with acids

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?

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?

Which samples do the atoms have the least kinetic energy