Average Kinetic Energy of a Gas and Root Mean Square Velocity Practice Problems - Chemistry Gas Laws

[@TheOrganicChemistryTutor]

Gas Laws Formula Sheet: bit.ly/3TOMhhb Final Exams and Video Playlists: www.video-tutor.net/

[@choppinupyoblock]

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[@georgesadler7830]

Professor Organic Chemistry Tutor, thank you for an outstanding video/lecture on the Average Kinetic Energy of Gas and Root Mean Square Velocity Problems in AP/General Chemistry. The Temperature of gas particles is important when calculating/analyzing the Average Kinetic Energy of Gas and Root Mean Square Velocity problems in Chemistry. This is an error free video/lecture on KZbin TV with the Organic Chemistry Tutor.

[@sheeba9311]

I'm in gen chem at college right now and your videos are absolutely saving me, man! Thanks for the taking time to make such high quality and well done videos. Your explanations are so clear and unambiguous, never thought I could learn this shit in 12 minutes!

[@kotchi9197]

Thank u bro i have my final today

[@archerdev]

Thank you so much JG, you really deserve a medal. A stupid question I've got about question 2. I first calculated avg KE, then plugged the value to the physics KE formula (KE = 1/2 m (v.v)), and I got the same result. Just wonder if it's right?

[@swapnilshinde7025]

First time saw your video...how beautifully explained😍...helped me a lot...thanks😄

[@jonathansmith5534]

why is it that you utilize the gas constant for avg KE, but other sources and solutions use boltzmanns constant. How do you know when to use either or?

[@whynot3034]

Brilliantly done!

[@revan2549]

holy shit. 2 hours of lecture become 12 minutes . ty man

[@howchen8529]

Shouldn't it be the boltzman constant?

[@JoaquinRevello]

the Boltzmann constant is the universal gas constant (R) divided by Avogrados number (Na). But since he assumes he has one mole of each gas in every equation, Avogrados number cancels out by the number of molecules in one mole. If he was to use Boltzmann constant, he would be finding the average kinetic energy in one particle NOT in one mole.

[@theashow3387]

i am very confused in average kinetic energy and total kinetic energy some use degree of freedom in avg while some say its in total

[@virendersharma5037]

Sir please ,make a short video on the derivation of average k.e per molecule.

[@punishmentbegins]

The videos are such a great help. Thank you.

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Thank you for this Video.... Thumbs Up

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[@jonathansmith5534]

wtf

[@ajibadepelumi75]

This is great sir

[@cc-to2jn]

Anyone know why some use R= 8.314 and some use boltzman constant. I'm not sure which one to use.

[@foxtrot8325]

If you know the number of molecules of a gas(like 200) then use the Boltzman constant. If you know number of moles of a gas, then use R

[@cc-to2jn]

@@foxtrot8325 Thanks for the late reply, but fortunately I figured it out in time! :3

[@jonathansmith5534]

im so glad you asked this question

[@cc-to2jn]

@@jonathansmith5534 good luck man!

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[@NormanYeung19]

thanks

[@kellyjin2469]

is root mean square velocity the same thing as average molecular speed?

[@thabisombingo9649]

Isn't helium a diatomic gas? Shouldn't the mass be 0.008kg/mol instead???

[@grahamflowers]

There is no kinetic energy in a moving mass there is force Mv squared kinetic energy is the energy of consistent work from a consistent force regards Graham Flowers

[@krona254]

Brilliant 💕

[@jalalahmed3630]

Nice and easy way.

[@what5493]

It's for n=1

[@julioreyes2591]

Damn good explanation and nice flow with the explanation. Thanks for the help!

[@winjoynkatha540]

KE of gas =3\2kBTor 3/2RT

[@winjoynkatha540]

Just a question

[@MarleneLopez-x9p]

Hi when do younuse the boltzmann thing kb

[@Scarabola]

5:25 yes, work makes me mad too

[@nicoleora9445]

This is soooo helpful.. Thanks

[@shailjatiwari294]

Better use R =1/12. more easy more exact

[@subasan4798]

you mean 25/3 Than isn't exact.

[@sohampatil7232]

@@subasan4798 this is right

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Here

[@TheLazyMoney]

"Tenmature"

[@sarahalabdulla8510]

Why we didn’t use the equation with n?

[@hazimmohdlip4184]

sarah Alabdulla i think he did a mistake

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I'm a big fan.

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[@rodionmatvey256]

10:19

[@princekumar-rl1dm]

gas constant is already 8.314

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[@tarehjernetarehjerne4082]

This video and this video kzbin.info/www/bejne/oWTVe6aVntSHfsU caused a lot of confusion for me, nitrogen is a diatomic gas, it has two atoms, so its formula will not be 3/2RT, it should be 5/2RT and have a different internal energy. at least according to your other video, so which one is right?