For the decomposition of hydrogen iodide on a gold surface at 150 C 2 HI(g) H(g) + 1(g) the average rate of disappearance of HI over the time period from t = 0s to t= 1.05x10 s is found to be 1.20x10-4 M/s. What is the average rate of appearance of 1 over the same time period? M/s