Ideal Gas Law Practice Problems with Molar Mass
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- Опубликовано: 13 дек 2010
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How to set up and solve ideal gas law problems that involve molar mass and converting between grams and moles.
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@Leo Amari I dunno I would suggest flixportal. you can find it if you google :) -karsyn
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By taking your time and using different colored pens, it greatly helps in seeing what you are doing. Thanks for the clear and clean tutorial
there are 2 videos that i have that will explain R. first, watch "ideal gas law introduction." that talks a lot about R. then, you can watch "ideal gas law: where did R come from?" to learn more about R. let me know if you have any more questions
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Holy crap, Thank you so much. We have been learning this stuff for weeks but I never understood. This video and the other Ideal Gas Law videos have literally been a lifesaver. Ty so much.
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Easier to count n, is: n=m/M
n= mol
m= mass (g)
M= molar mass
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How the R value 0.082l atm÷mol×k is written .
I believe the answer to the first question is 5.887391L or 5.9L, not 6.08L. Also shouldn't it be 2 sig figs due to 2 sig figs for celsius?
Thanks for the info
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Do every gas have different particle size? If yes then do number of moles filling the volume also differs?
Good that you consider significant figures. I remember a prof of quaternary geology doing sieve analysis of glacial sediments and the fraction was 3 oz (measured on a cheap kitchen scales) out of a total sample of 17 oz, so only two significant figures. His result? - 29.412%. Giving a precision the sampling method was just not capable of. I said "30% is more reasonable", but I was only an undergraduate and ignored!
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Question... At 3:55 why did you do all the multiplication then the division, I was taught that I was supposed to do the multiplication over the 1.20 then do the division, then the other multiplication.... if that makes any sense... why did you do it the other way?
good question! check out my video called "ideal gas law introduction" and this stuff should all make sense. message me if you're still confused.
When I did the calculations to find the moles I did not get the same answer that you got in this video. Can you explain where I went wrong at
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