Simple Ideal Gas Law but i keep getting it wrong

  • Thread starter acg7160
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  • #1
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Homework Statement



P=1.5 atm; n=2 mols, R=8.314; T=250 K; V=?

Homework Equations


PV=nRT
i converted p into Pa and got 151987.5 Pa.


The Attempt at a Solution


I plugged in all of the numbers and got V=0.027 L but it keeps saying my answer is wrong. It says answer for 2 sig figs. I am not sure what I am doing wrong. Help please?
 

Answers and Replies

  • #2
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your answer is in [itex]m^{3}[/itex]. You need to convert to liters. Hint:

[tex]
1 \, \mathrm{L} = 1 \, \mathrm{dm}^{3}
[/tex]
 
  • #3
collinsmark
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I plugged in all of the numbers and got V=0.027 L but it keeps saying my answer is wrong. It says answer for 2 sig figs. I am not sure what I am doing wrong. Help please?
I think something went wrong with your conversion from m3 to liters. There are 1000 liters in a m3 (not 1 000 000 -- that would be ml per m3). :wink:

[Edit: Oops, I see Dickfore beat me to the answer.]
 
  • #4
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Thanks I got it right!
 

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