# A container has a volume of #9 L# and holds #15 mol# of gas. If the container is compressed such that its new volume is #2 L#, how many moles of gas must be released to maintain a constant temperature and pressure?

3.3 moles

Applying Avogadro's law here:

The initial conditions are denoted by the number 1, and the final conditions are represented by the number 2.

• Determine the variables you know and don't know:

• Rewrite the equation to find the total number of moles in the end:

• Enter the provided values to determine the total number of moles:

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6 moles of gas must be released.

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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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- A container with a volume of #18 L# contains a gas with a temperature of #270^o C#. If the temperature of the gas changes to #350 ^o K# without any change in pressure, what must the container's new volume be?

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