Mathematical and Physical Journal
for High Schools
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# Problem P. 4179. (September 2009)

P. 4179. Determine the ratio of the specific heat capacity of the mixture of 20 g Helium and 8 g Hydrogen at constant pressure to the specific heat capacity of the same gas at constant volume.

(4 pont)

Deadline expired on October 12, 2009.

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

Megoldás. $\displaystyle \frac{c_{p}}{c_{V}}=\frac{53}{35}\approx 1{,}51.$

### Statistics:

 93 students sent a solution. 4 points: 69 students. 3 points: 4 students. 2 points: 2 students. 1 point: 4 students. 0 point: 12 students. Unfair, not evaluated: 2 solutions.

Problems in Physics of KöMaL, September 2009