Mathematical and Physical Journal
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Problem P. 4216. (January 2010)

P. 4216. A sample of Helium gas is taken through the process A\toB, shown in the figure, p0=105 Pa, V0=3 dm3. Determine the pressure and the volume of the gas at state C, until which QAC=3700 J heat is added to the gas.

(5 pont)

Deadline expired on February 10, 2010.

Sorry, the solution is available only in Hungarian. Google translation

Megoldás. \(\displaystyle 3V_0\) és \(\displaystyle \frac{7}{3}p_0\), azaz \(\displaystyle 9 \ dm^3\) és \(\displaystyle 2,33\cdot 10^5\) Pa.


96 students sent a solution.
5 points:58 students.
4 points:3 students.
3 points:1 student.
2 points:9 students.
1 point:14 students.
0 point:5 students.
Unfair, not evaluated:6 solutions.

Problems in Physics of KöMaL, January 2010