Find the volume of the gas must decrease:

The pressure of an ideal gas undergoing isothermal change is increased by 10%. the volume of the gas must decrease by about

  1. 0.1%
  2. 9%
  3. 10%
  4. 0.9%
Anurag Mishra Professor Asked on 29th January 2016 in Maths.
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1 Answer(s)

Answer: (3) 10%

We know that PV=nRT.

For Isothernmal system, n, R and T are constant.
Hence, PV= ConstantP α 1/V

V is inversely proportional to P.

Then,  when P is increased by 10%, V get decreased by 10%.

Hence, the correct answer is option (3) 10%.

Anurag Mishra Professor Answered on 30th January 2016.
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