Homework Help Forum: Chemistry

Posted by Shawn G. on Friday, November 6, 2009 at 5:41pm.

How will the volume of a fixed sample of gas change if its pressure is doubled and the Kelvin temperature is doubled? a)the change cannot be determined without more specific information b)it will decrease by a factor of 2 c)it will increase by a factor of 4 d)no change e)it will double **would it be d? since the pressure is doubled, the volume would be halved. and if the temperature is double it would double the halved volume, bringing it back to where it was in the beginning. Would that be right?

• Chemistry - DrBob222, Friday, November 6, 2009 at 5:45pm

  Yes, that's reasoning. You may want to try it with the formula. PV = nRT Solve for V. V = nRT/P V = nR*2T/2P The 2s cancel so the V is the same.

  
  

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