What is the estimated fraction of the hydrogen atoms

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Q. The electrons in a metal that produce electric currents behave approximately as molecules of an ideal gas. The mass of an electron is me = 9.109x10-31 kg. If the temperature of the metal is 311 K, what is the root-mean-square speed of the electrons?

Q. The temperature of the surface of a certain star is K. Most hydrogen atoms at the surface of the star are in the electronic ground state. What is the approximate fraction of the hydrogen atoms that are in the second excited state.

Reference no: EM1346982

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