Gas Pressure Conversions

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Introduces common gas pressure units (mmHg, torr, atm, kPa) and explains how to convert between them.

[@hunger4jsutice]

Because of you, Tyler DeWitt, I am getting an A (and the highest grade in the class) in Chemistry. Plus, it is an accelerated class during the summer. You make everything understandable and explain WHY. I cannot just memorize things, I need to know why. You are the reason I will be going to nursing school. I hope you know how much your videos are helping people today, even the one's made 5 years ago! THANK YOU.

[@Chirp-chirp]

Oh my god I relate so much to this. I just can't stand teachers who don't bother to tell you WHY things happen, and just go "oh it just is, u don't need to know anything else just memorize it"... Honestly I think they say that cause half the time they don't know either, which is laughable at best and frustrating at worst. But Tyler here really gets it

[@tess-694]

I love how I learn more from him in 8 minutes than I did from my chemistry teacher in 2 weeks

[@pge4]

so truu ahahahahahahha hi.. lol

[@bruhman8575]

@@pge4 That was a weird reply.

[@udayyysharma1501]

you came here to find an answer 'by yourself', while you were 'sent' to school by your parents. people misconceive this for the youtube teacher being better (not that he isn't, just for the different reasons).

[@27capricia]

God bless you Mr Dewitt....i am surviving chemistry thanks to your videos. You are a blessing to society.

[@Coopertrooper71]

couldn't have said it better myself

[@kaden56]

I've probably watched over 60 or 70 of your videos in my journey through Gen Chem this semester and just wanted to say thank you for doing such a great job!

[@tdewitt451]

For help with this, you should watch my video called "Which Gas Equation Do I Use?"

[@canadianhaitian]

Omg my head was going to explode until I seen your video!! You made it seem soooo easy everything is so clear now!!! God bless you! You"re an angel!!!

[@JamesSmith-il2wk]

This was extremely helpful, even eleven years later, but I must say that the last few seconds where he stared blankly at the camera was hilarious.

[@user-yk9fm4hj6s]

I am from Iraq and I posted this video when I was three years old and now I need these advice. Thank you very much, and I appreciate your trouble together.🥺❤️

[@suraalsaeedi3822]

you are the best teacher for chem

[@user-hm1dl7cs1h]

I'm 47 at back in college. Your videos are helping me tremendously!!! I'm all A's in my chemistry class thanks to you!!!

[@noorkhaleel4449]

for the (viewers) torr and mmHg are the same! this really confused me and if you watch carefully you will get it. you are great Tyler thank you so much

[@tdewitt451]

Hey everyone, I'm here to help. If you have any questions or just want to learn more, click on the link in the description above. It'll take you to a page where you can ask me questions.

[@thaddeusthompson6759]

Thank you for all your post it has helped me tremendously throughout the chemistry course I am taking this semester. Showing how to convert from mmHg to torr to atm has been a great help!

[@schunter20]

Thank God for this man, have chem test tomorrow. Thank you bro.

[@lukemoore2854]

how did that chem test go?

[@Justforme7]

you are just amazing, we need teachers like you who will make science fun and not scary

[@davisdialogue]

I'm watching your videos to prepare for my final in two days. Clear, to the point and great visual aids. Thanks so much!

[@classicrocker13able]

Thanks for the video, save me a ton of confusion on my homework!

[@mariekytakano9314]

almost 9 years for this video!!! this is so helpfulll

[@y3jeon383]

KY it’s 12 years ago now lmao

[@kattykuro8431]

Thank you so much for teaching this. You have a very helpful way of explaining this concept.

[@Kaiikeda]

Woah you clarify my error on this , my teacher doesn't explain individually which Is the only way I really learn. You should move to seaside, California our school is dieing to find teachers like you! Seaside high, we were about to close down due to bad test scores but we are improving alot! You would be a huge asset to our school!

[@sdtylerw]

I appreciate your video!!! Keep it up, i missed 3 days of chemistry and your videos are a huuuge help.

[@JaeEnceeti]

It is much easier to divide 225 by 101.3, that gives you 2.22, this is the number you multiply 101.3 by to get to the 225 kPa. Once you know that you know that 2.22 x 1 atm = 2.22 atm and 2.22 x 760 = 1688 mmHG.

[@andrearomo7451]

You explain PERFECT!! Thank you so much!

[@Buddhaid11]

Thank you!!! Making chemistry so much easier for me!!!

[@paigeparism]

Online School GANG GANG!!

[@angelieverona7609]

It's just amazing to think that this was posted 12 yrs ago, I was like a first grader then.

[@exchangestudent108]

You are the best teacher 😊

[@newtonhenderson671]

Thank you for being so helpful, you are saving me in chemistry currently !

[@jamaicansistarobinson7587]

I can now become an RN just because of one person, Professor TYLER DEWITT!!

[@justinswag3403]

Dude why r u so fucking helpful omfg so good thanks man!!!

[@gloriasheen6336]

that awkward ending hahaha

[@purpleadvance1081]

That was so funny 😂

[@tanyamurad610]

you are a god given gift for me

[@danielaflores4648]

so helpful!!! cannot thank you enough!

[@hughmungus7570]

Thank you for uploading this great Information!

[@anuradharathinavel9938]

Amazing.....Superb Sir...brilliant!

[@albertomagada2412]

Thank you so much I learned much from you

[@jennypen6722]

I was trying to understand why it was 1690 instead of 1,688..but i get it now, thanks!

[@GeoffreyCurtin]

Love you, Tyler

[@nawreezhubail8116]

u posted it before 6 years and it helps students until now ..

[@rustyflower_]

until now too... 6 years later

[@Seebzters]

Just a summary: ATPS is ambient pressure (640 mmHg), ambient temperature (25C) volume measurement saturated with water vapor @ 25C. BTPS is ambient pressure (640 mmHg), body temperature (37C) volume measurement saturated with water vapor @35C. STPD (my favorite) is standard pressure (760 mmHg), 0C, dry volume measurement. The conversion is based on the formula => PV/T = PV/T equated by the number of molecules.

[@Seebzters]

The volume measurements I'm talking about are spirometer volume measurements

[@fastsmg]

This was useful! =O I have to do this in my science class soon. T-T This video helped me understand it, though. Thanks for uploading!!

[@jenniferperla1]

Thanks so much for posting this. You helped me greatly. :-)

[@intelse]

Thank you for helping me understand

[@SilviaSelect]

thanks good job explaining this .

[@leslieperez5305]

Thank You for your videos ! you are awesome!! wow

[@nasikanfirdaus4495]

thanks mr.God bless u

[@jacinthgail]

life saver! chem exam tomorrow!

[@dominique.8522]

this video was awesome thanks

[@dr.shabbiralikhan4291]

AMAZING SUPERB VIDEO!!

[@kissinbandita]

Sure is helpful to learn chem principles from a HAWT instructor.

[@gohanssgss]

Awesome, My teacher makes this confusing for me. this is so easy thanks

[@DudeForSureMan]

Thank you for your excellent videos. I have a question for you. How do I calculate the change in change in pressure, volume, and temperature between two tanks of air with different volumes and different temperatures which are connected?

[@felixmadrid6361]

Helped so much .

[@jamaicansistarobinson7587]

What a blessing!!!!

[@dyeballa04]

dude this was the exact video i was looking for....thanks man you are seriously fucking awesome at explaining this stuff, by far the best video on youtube for this...subscribed

[@jamaicansistarobinson7587]

Wow! This is the ONE I needed help with! Thank God for you Tyler!NOW, because of YOU, I can pass by class and go on to SAVE-LIVES🤗

[@jamaicansistarobinson7587]

Tyler for 2019 CNN-HERO humanitarian award!

[@navayu7]

thaks sir i am a big fan of u .

[@OluBaKonZo]

Thanks man helped alot

[@AMKhan-vj6wu]

Thank you sir.....from Pakistan!!!

[@burhanmunawar6193]

M Khan main bhi bhai... this guy is so helpful

[@milbil3]

Thanks so much!

[@moneyjar4606]

Thank God you exist

[@suraalsaeedi3822]

thank you so much

[@zazopink6449]

i don't even know why I stay awake in class anymore.. sometimes ill just put headphones in and listen to Tyler DeWitt. I'm waiting for the day my professor looks over the corner and realizes I'm cheating on him.

[@hlongshlongs8729]

Lol I feel robbed, I would be happy to pay him to teach me. I learn more here than in class.

[@ecannon7318]

i was dumb to all this before your videos THANKS

[@devinmistry6000]

Helpful!

[@skag2021]

thanks a lot!

[@camilaneves8774]

Você explica tão bem que ajudou até eu que nem falo inglês direito

[@adilaitbaev5456]

Awesome!

[@drndmak600]

God bless u❤❤❤

[@anilsharma-ev2my]

Are you able to find out efficiency of aniroid barometer ? If so then few kilometers long barometer gives many tonnes of pressure which turned the turbine and make electricity by using gears and hydraulic so we become energy efficient anywhere round the globe round the clock

[@bryce4650]

Thanks so much for the help man, sorry if I found your top or bottom definition kinda funny tho lol

[@kaliweippert3520]

Can you just do 225 kPa divided by 101.3 kPa times the 1 atm, and get the same answer, or will that mess you up in the futere?

[@02COOLKID]

Omg i love you!

[@411foryou]

This helped me remind me of Sig figs & it's very clear what you said. Thanks!

[@ahmedalzaabi4182]

Arigatu!!

[@AsratMengesha]

By the way do you have a pressure on the gas pressure? What is the difference between test tubes or pots and the world, the universe? thanks.

[@ckmac11]

you saved me.

[@humeratabassum3907]

awesome thnks a lot

[@arrianasimihag1249]

can you give me more example and question?

[@wynie2574]

I hope he can make more videos about chemistry :{{{{{{

[@ArtemisEros]

What if they say express it in 2 atm?

[@jemarrooks4068]

Who needs the book when you have DeWitt :D

[@AhadrazaShah-gu2fv]

Allah bless you thank u so much..

[@leeflee7746]

Shouldn't for the 2nd problem it needs to be rounded to 2 sig figs as the number 760 only has 2 sig figs?

[@kartiksingh2156]

Nice

[@anjaybruss]

sir! my textbook shows another thing thats "psi" like 14.7 psi whats that? it would be very kind of u if u explain thanks

[@anjaybruss]

a question sir is it like 160mmHg=760 torr ?? we call it like that like 760 torr?

[@Kevinfreddo]

saved me from getting a 60... there had to be 20 conversion problems on my test..

[@SamsherSinghJoon]

If atmospheric pressure will be not there what will be our weight? Will our weight change?

[@MrTransducer1]

why do we convert from 1 quantity to another? means why there is not any universal measurement?

[@roxanaagriche8696]

I'm in junior high and I need to learn all of these and even all the gas laws😐 sometimes I just question my existence

[@abdirazakmohamedhaji9991]

thnks mr but its good to make lessons with numbers eg. part 1 part 2 so on

[@Justforme7]

I wish I knew wat kpa was like what is it :(

[@studytime3937]

I can't believe that I was only 3 when this video came out

[@hankluke15]

Thanks for the help the book that my teacher gave me didn't help me for shit

[@supremepk7231]

I was 2 years old at this time 😂

[@whateverwhenever11]

my absences is not a problem anymore!

[@joelshibu1453]

Watching this now lol

[@prachirani6246]

20PSI into inch of water colum

[@janindubopearatchy4641]

isn't 760 mmHg the least number of integers

[@cherisetekurio8291]

why wouldnt it be 1.69 * 10^3?

[@MClark-ii2di]

It would depend on whether or not your instructor wants it in scientific notation. If they don't specifically say put it in scientific notation you should be safe to leave the answer as 1690

[@Annabelladoe]

wouldn't it be 1688.05528 mm hg and then turned into 1.7x10^3 mm Hg

[@kvothe2144]

+annabelladoe I know right?? would u put it in scientific form and if it has 3 significant figures it would therefore be 1.69 X 10^3 mm Hg