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question 8.49

Posted: Mon Jan 22, 2018 3:13 pm
by Belle Calforda3f
regarding q: 8.49 why do we make -P(delta v) = -(delta n)rt negative on both sides?

Re: question 8.49

Posted: Mon Jan 22, 2018 4:25 pm
by Jakob von Morgenland 2C
Since w=-PdeltaV, we make it negative on both sides to simply substitute the value in for work. And we know that if we make one side negative, we have to make the other side negative as well, so that's why it's -deltanRT.