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14 October, 23:50

What's the final volume of a gas with an initial volume of 75 mL if the pressure decreases from 300 kPa to 200 kPa?

A. 112.5 mL

B. 75.5 mL

C. 100.0 mL

D. 50.0 mL

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Answers (2)
  1. 15 October, 00:08
    0
    I think it's C, but if not try A!
  2. 15 October, 02:38
    0
    The correct answer is A, because P1V1=P2V2 ... 300x75=200xX ... 22500=200X so X=22500:200=112.5ML ...
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