A gas fills completely the vessel in which it is kept .
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Answer:
Gases have a negligible intermolecular force of attraction between the particles of gas. The random motion of particles in all the directions is experience in the vessel. Hence, the gas fills completely the vessel in which it is kept.
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11th
Chemistry
States of Matter: Gases and Liquids
Thermal Energy and Intermolecular Forces
Give reasons:(a) A gas fill...
CHEMISTRY
Give reasons:
(a) A gas fills completely the vessel in which it is kept.
(b) A gas exerts pressure on the walls of the container.
(c) A wooden table should be called a solid.
(d) We can easily move our hand in air but to do the same through a solid block of wood we need a karate expert.
October 15, 2019
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Marion Mandavkar
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ANSWER
(a) The particles of gases have low force of attraction between them. The particles are freely moving in the vessel in which it is filled.
(b) The particles of gas has least force of attraction. They are constantly moving randomly. The particle of gas hit the walls of container thereby applying force and hence pressure on the wall.
(c) Wooden table has a definite shape and the definite volume. The particles of wood are closely packed. They do not take the shape of the container. Hence wooden table satisfies the properties of solid.
(d) The particles of air are very loosely bounded. They are far away from each other having a lot of space between them. Hence we can easily move our hands in air. But in a solid block, the particles are tightly held by a strong force of attraction. So there is some or no space between them. Hence we need a karate expert.