Question

gimme proper explanations please

Answer 1

3 (a) a gas fills a vessle completely because in a gas the attractive forces between the particles is negligible and molecules of gas move with very high speed in all possible direction.

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Answer 2

3(a)--The force of attraction between the particles of gases negligible the cause of these particles of gas movie in all directions does a gas fills the vessel completely in which it is kept.

3(b)-- as the gas particles are weekly attractive the molecules are continually colliding with each other and with the walls of the container when a molecule collides with the Wall The exit small force on the wall the pressure exerted by the gas is due to the sum of all those collision forces the more particles that hit the walls the higher the pressure.

3(c)--since wooden table has these basic characteristics of a solid Rigidity definite shape and definite volume it should be called a solid a solid has a fixed shape because of these particles are of closely packed and their positions are fixed due to a strong force of attraction between them.

3(d)-- quick and easy your hand in air because the force of attraction of a particle sphere is 7very small so other force given by our hand can easily break the force of attraction what is installing the force of attraction is very high so the first given by our hand cannot break the force of attraction in them.

4-- when water freezes water molecules from crystalline structure maintain the hydrogen bonding. ice is less dense than water because the orientation of hydrogen bonds causes molecules to push apart with which lowers the density

$\huge\mathfrak\purple {Hope\: it\: helps!!}$