Page 647 - SUBSEC October 2017_Neat

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3. (a) A cylinder with a leak proof movable piston is filled with 0.1 moles of Helium gas. The piston
moves gradually outwards at a constant temperature and the pressures at particular volumes
are noted in Table 3.

Pressure /kPa Volume /cm 3
800 300 DO NOT WRITE IN THIS AREA
600 400
480 500
400 600
340 700
300 800
270 900
240 1000
220 1100
200 1200

Using the results in Table 3, plot a graph of pressure against volume on the grid on page 17.
Start both axes at the origin. [5 marks] DO NOT WRITE IN THIS AREA

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