Two flasks of equal volume contain O_2 and CH | vedclass

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(C) According to the Ideal Gas Equation,$PV = nRT = (\frac{w}{M})RT$. Rearranging for density $(d = \frac{w}{V})$,we get $d = \frac{PM}{RT}$. Since $P

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Density

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(C) According to the Ideal Gas Equation,$PV = nRT = (\frac{w}{M})RT$. Rearranging for density $(d = \frac{w}{V})$,we get $d = \frac{PM}{RT}$. Since $P$,$T$,and $R$ are the same for both gases,the density $d$ depends only on the molar mass $M$. $M(O_2) = 32\, g/mol$ and $M(CH_3OH) = 32\, g/mol$. Since the molar masses are identical,the density $d$ will be the same for both gases. Rate of diffusion depends on molar mass $(r \propto \frac{1}{\sqrt{M}})$,which is also the same here. However,density is the most direct property derived from the given conditions.

Two flasks of equal volume contain $O_2$ and $CH_3OH$ vapor respectively at $120\,^oC$ and $1.15\, atm$ pressure. Which of the following will be the same for both?

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