Mathematical and Physical Journal
for High Schools
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Problem P. 4039. (January 2008)

P. 4039. There is a sample of gas of mass 192 g, in a container of volume 80 l at a temperature of 402 oC and at a pressure of 4.2.105 Pa. The specific heat capacity of the gas at constant volume is 124.5 J/K.

a) What is the number of the degrees of freedom of the molecules?

b) What kind of gas can be in the container?

(4 pont)

Deadline expired on February 11, 2008.


183 students sent a solution.
5 points:Rábai Mária.
4 points:158 students.
3 points:15 students.
2 points:5 students.
1 point:3 students.
Unfair, not evaluated:1 solutions.

Problems in Physics of KöMaL, January 2008