28. (a) Write the balanced, reversible reaction for the decomposition of water vapour into its elements. (1 mark) (b) Consider the equilibrium as described by your equation above. When 0.101 mol H2O-is placed in a 1.0L container, equilibrium is established. The equilibrium concentration of O2 is 0.0010mol/L. Determine the equilibrium concentrations of H2O and H2 and calculate Keq. (4 marks) 29. (a) Consider the following reaction: Fe3+(aq)+SCN(aq)FeSCN2+(aq) List two (2) ways to shift the equilibrium to the right. (2 marks) (b) Consider the following reaction: 4NH3(g)+5O2(g)+74KJ2H2O(g)+4NO(g) List three (3) ways to shift the equilibrium to the left