# A helium balloon has a volume of #"2600 cm"^3# when the temperature is #21^@"C"#. What is the volume of the balloon after it’s placed in a freezer with a temperature of #-15^@"C"#?

The volume of the balloon when it is placed in a freezer at

This is an example of Charles' law, which states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature. This means that if the volume increases, so does the temperature, and vice versa. The equation is:

where:

The temperature must be in Kelvins, so the Celsius temperatures will be converted to Kelvins.

Known

Unknown

Solution

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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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