Advertisements
Advertisements
प्रश्न
What do you understand by gas?
Advertisements
उत्तर
Gas is a state of matter in which interparticle attraction is weak and interparticle space is so large that the particles become completely free to move randomly in the entire available space.
APPEARS IN
संबंधित प्रश्न
Three vessels of equal capacity have gases at the same temperature and pressure. The first vessel contains neon (monatomic), the second contains chlorine (diatomic), and the third contains uranium hexafluoride (polyatomic).
Is the root mean square speed of molecules the same in the three cases? If not, in which case is vrms the largest?
Oxygen is filled in a closed metal jar of volume 1.0 × 10−3 m3 at a pressure of 1.5 × 105Pa and temperature 400 K. The jar has a small leak in it. The atmospheric pressure is 1.0 × 105 Pa and the atmospheric temperature is 300 K. Find the mass of the gas that leaks out by the time the pressure and the temperature inside the jar equalise with the surrounding.
What is diffusion? Give an example to illustrate it.
Correct the following statement:
0°C is equal to zero Kelvin.
Name or state the following:
An equation used in chemical calculations which gives a simultaneous effect of changes of temperature and pressure on the volume of a given mass of dry gas
Give reason for the following:
Volumes of gases are converted into s.t.p. conditions and then compared.
The average energy per molecule is proportional to ______
If the absolute temperature of a body is doubled, the power radiated will increase by a factor of ______
Estimate the average thermal energy of a helium atom at room temperature (27 °C).
P ∝ T at constant volume is the statement of ______.
