Advertisements
Advertisements
प्रश्न
Why do gases have neither a fixed shape nor a fixed volume?
Advertisements
उत्तर
Gases do not have fixed shape and volume because they have very small inter-molecular force of attraction and large inter-molecular space. Since, the particles of a gas are free to move anywhere, it takes the shape and volume of the container.
APPEARS IN
संबंधित प्रश्न
Tabulate the differences in the characteristics of states of matter.
Give one example of diffusion of gases in a liquid.
Explain how, the smell of food being cooked in the kitchen reaches us even from a considerable distance.
Why do gases diffuse very fast?
When a gas jar full of air is placed upside down on a gas jar full of bromine vapours, the red-brown vapours of bromine from the lower jar go upward into the jar containing air. In this experiment :
When a gas jar containing colourless air is kept upside down over a gas jar full of brown-coloured bromine vapour, then after some time, the brown colour of bromine vapour spreads into the upper gas jar making both the gas jars appear brown in colour. Which of the following conclusion obtained from these observations is incorrect?
A substance has neither a fixed shape nor a fixed volume. State whether it is a solid, a liquid or a gas.
Comment upon the following:-
compressibility
Comment upon the following:-
density
2 litre He gas at 2 atm and 300 K is inserted into a 4 litre rigid container containing N2 at 600 K and 4 atm. Finally mixture is maintained at 600 K temperature. The final pressure of gaseous mixture would be ______ torr.
