We’re being asked to calculate the density of CO gas when the pressure of the gas is lowered and its temperature is raised until its volume is 2.0 L.

We will calculate the density using the **ideal gas law equation**:

$\overline{){\mathit{P}}{\mathit{V}}{\mathbf{=}}{\mathit{n}}{\mathit{R}}{\mathit{T}}}$

$\frac{\mathbf{P}\overline{)\mathbf{V}}}{\overline{)\mathbf{V}}}\mathbf{=}\frac{\mathbf{nRT}}{\mathbf{V}}\phantom{\rule{0ex}{0ex}}\mathit{P}\mathbf{=}\frac{{\mathbf{n}}\mathbf{RT}}{\mathbf{V}}$

${\mathit{n}}{\mathbf{=}}\frac{\mathbf{m}\mathbf{a}\mathbf{s}\mathbf{s}\mathbf{}\mathbf{\left(}\mathbf{m}\mathbf{\right)}}{\mathbf{m}\mathbf{o}\mathbf{l}\mathbf{a}\mathbf{r}\mathbf{}\mathbf{m}\mathbf{a}\mathbf{s}\mathbf{s}\mathbf{}\mathbf{\left(}\mathbf{M}\mathbf{\right)}}$

A quantity of CO gas occupies a volume of 0.34 L at 1.9 atm and 309 K. The pressure of the gas is lowered and its temperature is raised until its volume is 2.0 L. Find the density of CO under the new conditions.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the The Ideal Gas Law: Density concept. You can view video lessons to learn The Ideal Gas Law: Density. Or if you need more The Ideal Gas Law: Density practice, you can also practice The Ideal Gas Law: Density practice problems.

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Our tutors rated the difficulty of*A quantity of CO gas occupies a volume of 0.34 L at 1.9 atm ...*as medium difficulty.

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Our expert Chemistry tutor, Dasha took 6 minutes and 27 seconds to solve this problem. You can follow their steps in the video explanation above.

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Based on our data, we think this problem is relevant for Professor Rusakov's class at OAKLAND.