Chemistry
Give reasons:
A gas can fill the whole vessel in which it is enclosed.
Matter
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Answer
The particles of gases lie far apart from each other and the intermolecular spaces are therefore very large. The intermolecular forces of attraction are so weak that the particles are free to move and they have high kinetic energy, so they fill the whole vessel in which it is enclosed.
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Related Questions
Give two examples for each of the following:
(a) The substances which can sublime.
(b) The substances which do not change their state on heating.
(c) The substances which can flow.
Define the following terms:
(a) Matter
(b) Intermolecular force of attraction
(c) Diffusion
(d) Brownian motion
(e) Kinetic energy
Give reasons:
Solids cannot be compressed.
Give reasons:
Liquids can flow.