what is effect of change of pressure on gases
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When pressure increases, the volume of the gases decreases. When pressure decreases, the volume of the gases increases.
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By the use of Boyle's law we can explain effect of pressure on real gases. {see attached}.
*Acc. to graphical representation, following results were obtained:-)
1) At low pressure, value of Z nearly one four real gases i. e. they behave as ideal gas.
2) lf Z>1 then positive deviation takes place which means gases are compressible comma because their molecular mass is less ( H2 and He) .
3)lf Z<1 then negative deviation takes place which means gases are compressible because their molecular mass is more (CO and CH4) .
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