# At a total pressure of #"1 atm"#, if the mol percentages of #"CO"_2#, #"O"_2#, and #"N"_2# are #5%#, #15%#, and #80%# respectively, what are the partial pressures?

We are given that:

By assuming the appropriate conditions (low enough pressure, high enough temperature that intermolecular interactions are minimized), all of these gases are ideal enough that we can get partial pressures from:

where:

In other words, we are saying:

As a result, the partial pressures are:

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The partial pressures of CO2, O2, and N2 are 0.05 atm, 0.15 atm, and 0.80 atm respectively.

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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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