Boyle's Law: An alternative method

In an earlier video I demonstrated Boyle's law using some specialised equipment, consisting of a tube a air, trapped (and compressed) by a column of oil.
In this video I demonstrate a simpler version of the experiment: Compressing the gas using an air filled syringe connected to a digital pressure gauge.
Readings of pressure and volume can be taken from the video allowing an analysis to be carried out.
It should be noted that there is a significant systematic error in one of the readings, which I explain at the end of the video. I will pin a comment to the video giving a corrected figure, but some of you might wish to use the data to calculate the figure yourselves.
When carrying out the analysis I suggest plotting a graph of 1/P (y-axis) against Volume (x-axis). Make sure you leave some room to the left hand side of your y-axis(if using the raw data): You may well see the reason for this when you plot your graph.

[@QuantumBoffin]

As I explained at the end of the video, the volume measurements are all out by a small amount, as they do not include the volume of air trapped in the (rather long) tubing. If you plot a graph of 1/P against V you will notice that you get a linear relationship, but it does not go through the origin: In fact it intercepts the x axis at around -8. This gives the volume of air trapped in the tubing: 8 cm cubed. If you add this amount to all the volumes and then replete the graph, the line will now go through the original as expected.

[@arandomzy]

I only studied its theory. it is really good to see it practically . thank you :)

[@Unknown-ph5cf]

Super wonderful!!!☺👍

[@naseeruddinadil7720]

Kindly send me the details of pressure sensor or from were I can purchase from it ...

[@QuantumBoffin]

The sensor came from Pasco Scientific (pasco.com) which is based in the US, although we got it through a reseller in the UK (SciChem.com) To be honest, you could probably adapt a digital tyre pressure gauge quite easily to do the same thing.