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Investigating Gas Laws
Module: General and Organic Chemistry (AOC106DI)
26 Documents
Students shared 26 documents in this course
University: Coventry University
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Boyle’s Law
Method
1. With the plunger removed from the syringe, measure the inside diameter, d of the
syringe using a vernier calliper. Take at least 3 repeat readings and find an average.
2. The plunger should be replaced and the rubber tubing should be fit over the nozzle and
clamped with a pinch clip as close to the nozzle as possible.
3. Set up the apparatus as shown in the diagram and make sure the temperature of the
room will remain constant throughout.
4. Push the syringe upwards until it reads the lowest volume of air visible. Record this
volume.
5. Add the mass holder with a 100g mass on it to the loop of string at the bottom of the
plunger. Wait a few seconds to ensure the temperature is kept constant since work is
done against the plunger when the volume increases.
6. Record the value of the new volume from the syringe scale.
7. Repeat the experiment by adding two 100g masses at a time up to 8-10 readings. This is
so a significant change in volume can be seen each time.
8. Record the mass and volume.