# How do you calculate the molar volume of a real gas?

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The molar volume of a real gas can be calculated using the Van der Waals equation: (V = \frac{{(nRT)}}{{P + an^2}}), where V is volume, n is moles, R is the gas constant, T is temperature, P is pressure, and a is a correction factor for molecular size.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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- Gas A effuses 0.68 times as fast as Gas B. If the molar mass of Gas B is 17 g/mol, what is the molar mass of Gas A?
- How does atmospheric pressure change with altitude?
- 9. Suppose two gases in a container have a total pressure of 1.20 atm. What is the pressure of gas B if the partial pressure of gas A is 0.75 atm?

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