The Ideal Gas Law Video Lessons

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Problem: A rigid cylinder is fitted with a movable piston. The cylinder contains a sample of helium gas, He(g), which has an initial volume of 125.0 milliliters and an initial pressure of 1.0 atmosphere. The temperature of the helium gas sample is 20.0°C.How many moles of Helium are in the sample?

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Recall the ideal gas law

PV = nRT

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Problem Details

A rigid cylinder is fitted with a movable piston. The cylinder contains a sample of helium gas, He(g), which has an initial volume of 125.0 milliliters and an initial pressure of 1.0 atmosphere. The temperature of the helium gas sample is 20.0°C.

How many moles of Helium are in the sample?

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