Chemistry
Give reasons for the following :
Gases have lower densities compared to solids or liquids.
Gas Laws
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Answer
The inter-molecular distance between the molecules of gases is very large. Hence, the number of molecules per unit volume of a gas is much lower compared to solids and liquids. Gases therefore, have low densities.
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Related Questions
Name or state the following :
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- The law which studies the relationship between pressure of a gas and the volume occupied by it at constant temperature.
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Gases unlike solids and liquids exert pressure in all directions.
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Temperature remaining constant the product of the volume & the pressure, of a given mass of dry gas is a constant.
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All temperatures on the Kelvin scale are in positive figures.