Calculate the root mean square speed of 1 mole of hydrogen molecules at 253k. Neglet the mass of electron
Calculate the root mean square speed of 1 mole of hydrogen molecules at 253k. Neglet the mass of electron
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Molar mass of hydrogen gas,
M = 2 x 10-3kg/mol
R = 8.34 universal gas constant.
root mean square velocity Vrms = \(\sqrt{\frac{3RT}{M}}\)
= \(\sqrt{\frac{3\times 8.31\times 253}{2\times 10^{-3}}}\)
= \(\sqrt{3153.64\times 10^3}\)
= \(\sqrt{315.36\times 10^4}\)
Vrms = 17.75 x 102m/s
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