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Ideal Gas Equation

Volume of a c...

Question

Volume of a certain gas at $S T P$ is $10$ litres.Keeping the temperature constant, if its volume is halved, the pressure:

A

does not change

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B

will be halved

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C

becomes 3 times

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D

will be doubled

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Solution

The correct option is D will be doubled
Since the temperature remains constant, Boyle's law is applicable
This means that :
$P_{1} V_{1} = P_{2} V_{2}$
Now since volume is halved, pressure becomes twice because product, $P V$ = constant

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