For the June 2013 Unit 5 Edexcel physics paper Q16 asks what happens to a Pressure/Volume graph when:
(i) air molecules are replaced with same number of molecules of lower mass
(ii) temperature is substantially higher
Mark scheme states
(i) no change
(ii) similar curve, shifted higher/to the right
If someone could explain this (maybe using 0.5m(c^2)=1.5kT and PV=NkT) it would be really awesome . I'm struggling to understand it.
Ideal gas question from a past paper Watch
- Thread Starter
- 26-06-2016 16:11
- 27-06-2016 17:07
i) pV=NkT as k and N are kept constant it makes sense that p and V are unchanged (constant)
ii) pV=NkT N and k are constant but T increases either P or V would have to increase to keep equation balanced.