November 20, 2011

5.19 Boyle's Law

5.19 use the relationship between the pressure and volume of a fixed mass of gas at constant temperature:

p1 = Pressure at the beginning
V1 = Volume at the beginning
p2 = Pressure at the end
V2 = Volume at the end

NB: Can use any units for V and p as long as they are constant at the beginning and end.

Watch the video below: 

We can clearly see that as we reduce the pressure in the vacuum the volume of the gas increases significantly, also note that the Volume is constant and the mass of the gas is constant.

While we’re on the topic of a vacuum, you might like to take a look at the video below “Nothing” by Vsauce a great YouTube channel for quirky science videos:

Conclusion: Pressure is inversely proportional to volume 

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