A small bit of calcium salt is placed in the bunsen burner flame. As seen in the photograph, the calcium salt produces a red flame. This characteristic color of calcium tells us all BUT ONE of the following:

Fill in the blanks for the following statements: the rms speed of the molecules in a sample of h2 gas at 300 k will be times larger than the rms speed of o2 molecules at the same temperature, and the ratio µrms (h2) / µrms (o2) with increasing temperature.