10. Predict how each of the following changes affect the amount of H2 present in anequilibrium mixture in the reaction 3 Fe (s) + 4H2O(g) Fe3O4(s) + 4H2 (8) AH =-150 kJ a) Raising the temperature of the mixture. b) Adding more H2O(g). c) Doubling the volume of the container holding the mixture. d) Adding a catalyst. 3