Homework Help: Chemistry

Posted by Anonymous on Thursday, January 31, 2013 at 1:47am.

A sample of gas occupies a volume of 63.1 mL. As it expands, it does 130.4 J of work on its surroundings at a constant pressure of 783 torr. What is the final volume of the gas?

I know that P= 1.03 ATM when converted. I think I'm supposed to use the equation w= -PdeltaV and solve for deltaV? Then add the initial volume to deltaV to get the final volume? Please explain, I'd really appreciate it! (:

Chemistry - DrBob222, Thursday, January 31, 2013 at 3:07pm
I would convert 130.4 J to L*atm then use w = -pdV as you've indicated. I think the answer is about 1300 mL or so.

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