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Give Reasons for the Following: Gases Exert Pressure in All Directions. Or Gases Unlike Solids and Liquids Exert Pressure in All Directions. - Chemistry

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Short Note

Give reason for the following:

Gases exert pressure in all directions.

Gases unlike solids and liquids exert pressure in all directions.

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Solution 1

The gas particles have a very weak attractive force between them and move randomly ultimately exert pressure in all direction. Their molecules are bouncing all around the container because they are so small, then gravity has very little effect on them.

Solution 2

Impact of gas molecules with high velocity causes pressure to be exerted on the walls.

Concept: The Gas Laws
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Selina Concise Science Chemistry 1 Class 9 ICSE
Chapter 7 Study of Gas Laws
Exercise 7 (A) | Q 18.3 | Page 125
Viraf J. Dalal Class 9 Simplified ICSE Chemistry
Chapter 7 Study Of Gas Laws
Study Of Gas Laws | Q 2.1
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