Give Reasons
1. Volume of gases are converted into s. t. p. conditions and then compared.
2. Gases unlike solids and liquids exert pressure in all directions.
Answers
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1. At different volumes , gases have different temperatures and pressures . Thus it wouldn't be rational to compare in such a situation , so they are compared only in S.T.P .
2. In solids , the particles (atoms) are tightly packed with little space for them to move , but gases have a lot of space between them which allows them to move around easily , thus exerting pressure in all directions.
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