Mathematical and Physical Journal
for High Schools
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Problem P. 4079. (May 2008)

P. 4079. There is a sample of neon in a cylinder which is closed by a piston. The gas is compressed such that its volume decreased to two-thirds of the original volume. The pV graph of the process is a straight line segment. In the final state the pressure of the gas is twice as much as it was originally.

a) By what factor did the absolute temperature of the gas increased?

b) How much thermal energy was absorbed by the gas from its environment?

c) How can this process be realized?

(5 pont)

Deadline expired on June 11, 2008.


70 students sent a solution.
5 points:Bartha Zsolt, Bodosi Eszter, Csató Bertalan, Farkas Márton, Gál Bálint, Gulyás Máté, Iván Dávid, Kovács 888 Gábor, Lászlóffy András, Lovas Lia Izabella, Marák Károly, Márkus Bence Gábor, Para Attila, Tolner Ferenc, Tóth 123 László, Török 125 Csaba.
4 points:41 students.
3 points:8 students.
2 points:3 students.
1 point:1 student.
0 point:1 student.

Problems in Physics of KöMaL, May 2008