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Math Help - Isolating variables?

  1. #1
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    Isolating variables?

    I need to isolate n in the problem

    PV=nRT

    I tried to divide RT by both sides which leaves it like PV/RT=n which looks wrong, but i think it's right. I'm not sure what else to try, since the PV is not divisible by RT How can I isolate the n?



    Thanks

    Jason
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  2. #2
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    Quote Originally Posted by Darkhrse99 View Post
    I need to isolate n in the problem

    PV=nRT

    I tried to divide RT by both sides which leaves it like PV/RT=n which looks wrong, but i think it's right. I'm not sure what else to try, since the PV is not divisible by RT How can I isolate the n?



    Thanks

    Jason
    Why do you say that it looks wrong ? It's correct !
    Did you enter it in your calculator and did it yield something wrong ?
    When entering it in a calculator, don't forget the parenthesis :

    \frac{PV}{RT}=PV/(RT) ^^
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  3. #3
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    I entered it wrong in the calc, so I thought it was wrong. I did leave out the parenthesis.



    Thanks

    Jason
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