Question

Give reasons for the following:
Al temperatures in the absolute (Kelvin) scale are in
positive figures.
Gases have lower density compared to that of solids
or liquids.
Gases exert pressure in all directions.
It is necessary to specify the pressure and temperature
of a gàs while stating its volume.
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Answer 1

Answer:

Answer:Solids, liquids and gases are different mainly because of their lattice arrangements and the cohesive forces between the molecules. ... The cohesive forces between their molecules are also very weak. This gives gases their property to flow and compressibility.