KöMaL - Mathematical and Physical Journal for Secondary Schools
Hungarian version Information Contest Journal Articles News
Conditions
Entry form to the contest
Problems and solutions
Results of the competition
Problems of the previous years

 

 

Order KöMaL!

Ericsson

Google

ELTE

Competitions Portal

P. 4049. A sample of diatomic gas of certain mass is taken from state A to state B as shown in the figure; p0=105 Pa, V0=2 dm3.

a) Determine the pressure and the volume of the gas at the intermediate state C until which only QAC=3150 J heat was added to the gas.

b) By what factor does the internal energy of the gas changed during process A\toC?

c) How much work was done by the expanding gas during process A\toC?

(4 points)

Deadline expired.

Statistics on problem P. 4049.
120 students sent a solution.
4 points:73 students.
3 points:8 students.
2 points:25 students.
1 point:11 students.
0 point:3 students.

  • Problems in Physics of KöMaL, February 2008

    • Our web pages are supported by: Ericsson   Google   Szerencsjáték Zrt.   ELTE   Nemzeti Tehetség Program National Office for Research and Technology Versenyvizsga Portál