A chamber contains a mixture of helium gas (He) and hydrogen gas (H2). The ratio of the root- mean-square speeds of the molecules of He and H2 is ……..
A. 2
B. \(\sqrt{2}\)
C. \(\frac{1}{\sqrt{2}}\)
D. \(\frac{1}{2}\)
Answer:C
A chamber contains a mixture of helium gas (He) and hydrogen gas (H2). The ratio of the root- mean-square speeds of the molecules of He and H2 is ……..
A. 2 B. \(\sqrt{2}\) C. \(\frac{1}{\sqrt{2}}\) D. \(\frac{1}{2}\)