In a study of Thermal decomposition of ammonia into nitrogen and hydrogen: 2 NH3(g) -> N2(g) + 3 H2(g) The average rate of change on the concentration of ammonia is -0.38 M/s. 1A. What is the average rate of change in [H2]? 1B. What is the average rate of change in [N2]? 1C. What is the average rate of change of the reaction?