Molecular hydrogen can be made from methane gas by the reaction below. How is the rate of disappearance of CH4 related to the rate of appearance of H2. [CH4] /t
CH4 (g) + H2O (l) ? CO (g) + 3H2 (g)
A) + ? [H2]
B) + 3 ? [H2]
C) + 1? [H2]
D) none of these