Charle's+Law.dj

Charles' law states that the volume of a fixed mass of gas at constant pressure varies directly with the Kelvin temperature. The equation to represent this law looks like: V1 / T1 = V2 / T2. V1 and T1 describe the initial conditions while V2 and T2 describe a different set of conditions. Given three of the four values, one can use the equation to calculate the missing value for a system at constant pressure.

A sample of neon gas occupies a volume of 752mL at 25ºC. What volume will the gas occupy at 50ºC if the pressure remains constant?
 * Example Problem:**

__Step One:__ Given: V1 of Ne = 752mL ; T1 of Ne = 298K ; T2 of Ne = 323K Looking For: V2 of Ne in mL

__Step Two:__ Rearange Charles' law to obtain the new volume, V2.

__Step Three:__ Substitute all given values into the equation: V2 = (752mL Ne)(323K) / 298K = 815mL Ne

The volume of the gas increases as the temperature increases.
 * Conclusion:**

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