Ideal Gas Law Practice Problems

To see all my Chemistry videos, check out
socratic.org/chemistry
Sample problems for using the Ideal Gas Law, PV=nRT. I do two examples here of basic questions.

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omg so with problem number two to get 285 you have to time 2.15 by 35.28 then you times 3.24 by o.o821 then you divide the number you get from 2.15x35.28 by the number you get from 3.24x0.0821 just thought that might be helpful for some because at first i had no clue how he got 285.

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good question. i have a video that should address exactly what's confusing you. watch "ideal gas law introduction," and message me if you still have questions.

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[@friedrichdergroe4143]

When I do it (2.15 x 35.28 divided by 3.24 x 0.082 = 1.92 k) so what I have I done wrong ??

[@clydeescultor7185]

When I do it, its 2.15 x 35.28 divided by (3.24 x 0.0821) and i got 285.153......

[@rophijoysumadia8240]

how did you get that answer? if in my calculation its only 1.922

[@ShineWithin2020]

+Rophi Tejada hey I got the same answer but I eventually know what he was on about. So bassicly in the calculator you put as a fraction all together as 2.15X25.28 and then underneath you put 3.24X0.821. So yeah you don't do it as a separate fraction just as one large fraction!! :) hope you got the correct answer?

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on problem 2 how did you get 285.1536 please explain

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By multiplying 2.15*35.28 and dividing it by 3.24*0.0821

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great question. watch my video called "ideal gas practice problems with molar mass," where i talk about how to do that.

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What happen when R is 8.314J/(mol k)?

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Check out my video called Ideal Gas Law Introduction, and I'll show how to do that!

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