Tripple science pressure

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Andy Tat

CDA

Experiment aim:  Show how pressure changes with temperature when the volume is constant.

Predicting effect of using greater + smaller volume

PıVı = P2 V2

  Tı        T2

Equipment

Bunsen burner

Pressure gauge

Beaker

Thermometer

Ice

Boss head

Boss clamp

clamp stand

Heatproof mat

How we did it

  1. First we set up all of the equipment
  2. Secondly we put ice into the beaker and we checked the temperature of the water and the pressure when the Bunsen burner was off.
  3. We then turned the Bunsen burner on and checked the temperature at every 20(k).
  4. we repeated this to make the test reliable and valid, then we take the average of both sets of results.
  5. Due to water boils at 100°C and it doesn't got higher so we had to stop the temperature at 100°C which is 373K

There seemed to be a  constant pattern between the 2 sets of data, The pressure rises the same amount each time the temperature raised . In the graph you can see that the two sets or results i have collect are very similar meaning there are less gap for mistakes, while looking at the results i can predict that the higher the volume the higher the pressure.

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The results

Evaluation

In conclusion I think that the pressure and temperature did have change throughout the test, the pressure was keeping the same pattern all the way through, to make the test more reliable I would have to repeat the test several times.

Improvements

Repeat the test more to get even more reliable results because there will be less space for errors. Use digital measuring equipment to have even more ...

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