30 Helium diffuses 4 times faster than an unknown gas under similar conditions. Find the vapour density of
unknown gas.
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Answer:
ok write it
Explanation:
You can start from any expression for the speed. The RMS speed is a fine choice:
vRMS=√3RTM,
where R and T are from the ideal gas law, and M is the molar mass of the gas in kg/mol.
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Answer:
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