1.

In order to increase the volume of a gas by 10% the pressure of the gas should be

Answer»

DECREASED by 10%
decreased by 1%
increased by 10%
increased by 1%

SOLUTION :`P_(1)V_(1)=P_(2)V_(2)."If" V_(1)=V`,
`V_(2)=V+(10)/(100)V=V+(V)/(10)=(11V)/(10)`
`P_(1)V=P_(2)(11V)/(10) or (10)/(11)P_(1)=0.9 P_(1)`
`:.` Decrease in pressure=10%


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