KöMaL - Középiskolai Matematikai és Fizikai Lapok
Sign In
Sign Up
 Magyar
Information
Contest
Journal
Articles

 

Problem P. 4694. (January 2015)

P. 4694. \(\displaystyle a)\) What is the amount of water in grams in the air of a room of volume 60 m\(\displaystyle {}^3\) at a temperature of \(\displaystyle 25~{}^\circ\)C, if the relative humidity is 50%?

\(\displaystyle b)\) To what per cent value does the relative humidity of the room increase if by the next morning the temperature of the room have decreased to \(\displaystyle 20~{}^\circ\)C? (The windows are closed and well sealed.)

\(\displaystyle c)\) What is the relative humidity of the same sample of air at a temperature of \(\displaystyle 10~{}^\circ\)C?

(4 pont)

Deadline expired on February 10, 2015.


Statistics:

96 students sent a solution.
4 points:70 students.
3 points:11 students.
2 points:3 students.
1 point:4 students.
0 point:8 students.

Our web pages are supported by:   Ericsson   Cognex   Emberi Erőforrás Támogatáskezelő   Emberi Erőforrások Minisztériuma   Nemzeti Tehetség Program    
MTA Energiatudományi Kutatóközpont   MTA Wigner Fizikai Kutatóközpont     Nemzeti
Kulturális Alap   ELTE   Morgan Stanley