Advertisements
Advertisements
Question
What does the diffusion of gases tell us about their particles?
Advertisements
Solution
The diffusion of gases tells us that:
- Matter consists of tiny particles, that have space between them.
- The particles of matter are in constant motion.
APPEARS IN
RELATED QUESTIONS
Give a reason for the following observation.
We can get the smell of perfume sitting several metres away.
Name two gases which are supplied in compressed form in homes and hospitals.
Name the three states of matter. Give one example of each.
A substance has neither a fixed shape nor a fixed volume. State whether it is a solid, a liquid or a gas.
The substance X normally exists in a physical state which can flow easily but does not fill its vessel completely. It also turns anhydrous copper sulphate blue. When substance X is cooled excessively, it changes into a substance Y which has a fixed shape as well as a fixed volume. If, however, the substance X is heated strongly, it changes into a substance Z which has neither a fixed shape nor a fixed volume.
- Name the substances (i) X (ii) Y and (iii) Z.
- What is the process of conversion of X into Y known as ?
- At which temperature X gets converted into Y ?
- What is the process of conversion of X into Z known as ?
- At which temperature X gets converted into Z ?
Comment upon the following:-
rigidity
Comment upon the following:-
compressibility
Comment upon the following:-
shape
Comment upon the following:-
kinetic energy
Two gases A and B having molecular weights 60 and 45 respectively are enclosed in a vessel. The wt. of A is 0.50 g and that of B is 0.2 g. The total pressure of the mixture is 750 mm. The partial pressure of the gases B is ______ mm Hg.
