Cyclohexane Chairs

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Cyclohexane Chairs

Рет қаралды 281,973

Күн бұрын

Cyclohexane makes weird shapes! The most important is the chair conformation. Here we will learn how to draw cyclohexane chairs, how to flip them, the difference in energy between the two chair conformations, and between axial and equatorial substituents. Chairs are easy place to lose points on exams if you don't draw them just right!
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Пікірлер: 258

@colingibney5130 2 жыл бұрын

Here we are again, night before the exam. Will I pass… or will I watch a whole series of Professor Dave explaining chapters of material intended for moderate consumption in a matter of hours. Godspeed gentleman.

@inversedq2190 Жыл бұрын

Did you pass?

@chickenwang8786 11 ай бұрын

we need an update lmao

@chiragchandnani310 4 жыл бұрын

This video is worth millions....it helped me a lot....my exam's gonnna commence in about 2 hours and this video just nailed it... Kudos to professor dave!

@rebeccamardis8772 5 жыл бұрын

Was going to drop this class, then I found your channel. You present everything in a very straightforward and engaging way!

@xoxoYUMoxox 8 жыл бұрын

This helped so much that I want to get a tattoo of your face on my forehead.

@ProfessorDaveExplains 8 жыл бұрын

i support this! if you do it, i'll give you one free hour of Skype tutoring.

@aimanshaheen973 8 жыл бұрын

omg wtf XDDD

@elisabethrauschecker8310 7 жыл бұрын

you do Skype tutoring?!

@minyunkistangerine3077 2 жыл бұрын

😆😆

@farhanaahmad408 Жыл бұрын

😂😂he are trying to summarize his emotions

@wtbgothgf 8 жыл бұрын

This helped me a lot in my last minute struggle to understand this concept fully before the exam. Thank you so much!

@mehwishkerio4094 3 жыл бұрын

@unitelanka 8 жыл бұрын

you are very clear and concise.

@ProfessorDaveExplains 8 жыл бұрын

+JZoidberg that's all i've ever wanted to be!

@dude9864 4 жыл бұрын

Wow this is the best playlist on organic chemistry ever, I am not confused about a single thing!

@sheenaverma1996 8 жыл бұрын

Thank you very much for you help, I have my organic Chemistry exam coming up and the past couple of days I have been just watching your videos. They are so helpful and I actually understand, you taught me a whole semester full of organic chemistry through your videos. Much appreciated!

@suhaylamwinyi8555 8 жыл бұрын

Thanxz for making me clear

@kiandebeste5455 4 жыл бұрын

A tip for knowing which direction to draw equatorial positions: Make sure the line is parallel to the bond 2 bonds over (either direction works)

@NewWesternFront 2 жыл бұрын

but then how do you know which direction to draw the first equatorial position??? ahhhhhh Dave didnt check comprehension we're all gonna DIE!!!!!!!!!!!!

@aguilacoco7652 4 жыл бұрын

10:22 "Now this chair it's going to be THE MORE ENERGETIC..." internally freaking out "... favorable" filled with relief. I love this channel so much, your explanations are amazing.

@soap2soap 8 жыл бұрын

the last minute comment about cis and trans not being related to axial and equatorial positions explained 5 hours of frustration and confusion

@ProfessorDaveExplains 8 жыл бұрын

+soap2soap very common misconception! happy to clarify.

@yongchinchong3787 5 жыл бұрын

I still don't understand it. Can you explain it to me again? Thanks!!

@luftatmer 4 жыл бұрын

@@ProfessorDaveExplains 12:33 ins't the cis-/trans-concept only applicable on structures with double bonds?

@ProfessorDaveExplains 4 жыл бұрын

Nope, it applies to rings as well.

@cowslane1 2 жыл бұрын

It's always the "Oh by the way" statements that save lives 😆

@AmiraDreams 9 жыл бұрын

Couldn't be any clearer! This channel is amazing! Thank youuuu!

@ProfessorDaveExplains 9 жыл бұрын

+Amira Lam. my extreme pleasure! feel free to send questions.

@diemdinh73 8 жыл бұрын

love the beginning with all the facial expressions! So creative prof. Dave

@GeniePak 7 жыл бұрын

this is going to save my exam next week... thank you whatever that helped me find you!!!

@trudymatt7335 8 жыл бұрын

I signed in just to tell you thanks...like really this helps soooo much...and the rest of your videos....thank you great person e.e

@ProfessorDaveExplains 8 жыл бұрын

+Trudy Matt thanks very much!

@mehwishkerio4094 3 жыл бұрын

Hello

@hamdaesam5364 Жыл бұрын

This helped me in so many ways. Literally a godsend.

@siddharthsingh5169 Жыл бұрын

wow. Professor I love the way you teach thanks for this

@crushcollegechemistry 7 жыл бұрын

Very simple yet clear and comprehensive. Thank you!

@mehwishkerio4094 3 жыл бұрын

Hello

@princessTJrulz 5 ай бұрын

You helped me get through whole tough week at Uni . Thanks 😊

@elisabeth9608 3 жыл бұрын

Thank you so so so so so so much I cannot stress how much this helped me. You are so clear and concise and I loved how you showed the conformations side by side to compare them.

@miltonincsw 9 жыл бұрын

Hi Dave! Loved the way you explained them! Can I classify the conformations with their responding strains as followings? Staggered = no torsional strains Anti = No Strains Gauche = Steric Strains Eclipsed = Torsional Strains

@ProfessorDaveExplains 9 жыл бұрын

+Milton Chow hmm, I've never really thought of it that way, but i suppose it makes sense. however, let's just say that anti involves the least possible amount of steric hindrance, though not necessarily zero.

@ZippyandOllie 8 жыл бұрын

Perfectly explained, thank you so much for the clarification with cis and trans!

@SyenPie 10 ай бұрын

Jesus christ... I've said it again and I'll say it now, you are by far the best educator for the sciences on this platform. This video in particular... it's absolute perfection. Actually humanly physically impossible to have presented it any more clear. Thank you as always...

@ucf_zn 4 жыл бұрын

Best 109.5 times from my teacher. Real professor in explanation 👌

@bradd777 8 жыл бұрын

Very thorough and easy to understand! Thank you!

@Thaumius 5 жыл бұрын

my god you explained ring flip so much better than my professor. i kept making the mistake of when you ring flip the carbons don't stay in the same place

@N1ckelD1me 5 жыл бұрын

thank you so much i literally couldnt get my mind around the equatorial/axial dealio until now

@jacquelinealmazan9169 4 жыл бұрын

Girl same I was giving up until I saw this

@سمرمحمود000 8 жыл бұрын

thank you so much for all of your videos ...

@PasDeNomsDispos 9 жыл бұрын

I'm in love with you, litterally!! Thank you for sharing! It really helps, even in France!!

@Psychedt 3 жыл бұрын

You have helped me more than you could ever know through gen chem, physics, and now organic chemistry. God bless you my friend.

@Psychedt 3 жыл бұрын

Professor daniel will explain one day!

@mehwishkerio4094 3 жыл бұрын

@Tamaraaudeh Жыл бұрын

literally helps me a lot. this guy is underrated!!

@mehul6275 6 жыл бұрын

"Best explanation on KZfaq ever"👍🙂

@adent94 6 жыл бұрын

Your videos are the best! Thank you so much for taking the time to make them because they are extremely helpful :)

@NancyLibeko-ju9st 4 ай бұрын

You are making it easy for me to understand unlike my lecturer

@shardul7633 2 жыл бұрын

You explained what my prof couldn't' t explain in an hour. Thanks a lot

@tylerk647 5 жыл бұрын

Prof. Dave is the GOAT

@mohitachuttani4326 2 жыл бұрын

This the best Channel to learn Chemistry in a fun way.Thanks a lot once again for ur Efforts.

@evasigala7391 7 жыл бұрын

Thank you! I thought the chair conformation simply rotated when it flipped up until now.

@bisharofarah950 Жыл бұрын

definitely gonna rewatch but this time taking notes. You explained it so well thank you so much professor Dave.

@hamans0701 Жыл бұрын

Extraordinary explanation, thanks a lot, You look loke a friend of mine from Italy.

@meganscanlon9560 3 жыл бұрын

Thank you so much for these videos. I just started O Chem and my professor was NOT explaining this in a way that made sense. I thought the chair analogy had to do with the hydrogen bond angles or something, gosh! That's how he made it sound!

@yonipool8683 8 жыл бұрын

Thank you so much, very kind of you to post this!

@UnknownAlien475 10 ай бұрын

Thanks Dave! This helped me pass my O-Chem quiz.

@joanief.2986 3 жыл бұрын

Your videos are incredibly clear and concise! Thank you!

@paftaf 5 жыл бұрын

Note that we usually use the chair 1 conformation, and start labeling carbon 1 at the bottom right.

@ninjanerdstudent6937 6 жыл бұрын

You teach better than my instructor.

@kuotoe 6 жыл бұрын

it help my midterm quite a lot. Thanks!!!

@ochako1483 Жыл бұрын

I wish I could like a video more than once. Thank you for actually explaining it 💖

@mrfroggi97 7 жыл бұрын

U are the best, dude. Greets from Germany

@mercedesbenz647 7 ай бұрын

Thanks!!

@BilalSk3656 5 жыл бұрын

You are such a great perSon. . you are such a great teacher. . .everything is going to be funtastic about you.... Plz...upload a video. on fractional distillation of liquid air and isolation of noble gases

@tunneltrance 7 жыл бұрын

Great videos! I'm glad I found you on here, I subscribed and will let my friends in Organic Chemistry know about your channel!

@noorsyahzanani7037 3 жыл бұрын

Thank you Prof Dave ! Finally I know it 😆

@brigitteg2725 9 жыл бұрын

Thanks a lot!!!! Cheers from Rio.

@colinepatry4223 3 жыл бұрын

thank you sooooo much ! it helped me so much ! glad to have you to learn my chemistry lessons ! hello from france :)

@yashverma2420 8 жыл бұрын

you're awsome professor!! Hats off!! you made me clear:)

@imi7259 6 жыл бұрын

OMG thank you so much. only now I understood this after all these years!

@sofiamelendez1375 6 жыл бұрын

Thank you so so so much! You explain things so clearly

@mmaking8664 8 жыл бұрын

dude keep up the legit work!!!

@user-sm4ol1sl6s 8 ай бұрын

1 hour to my exam and u saved my life❤

@r.crossey4082 6 жыл бұрын

Another ace video Prof! Thanks so much 🦊

@laurenelwell6698 7 жыл бұрын

This a great video. Your channel is the best!

@mehwishkerio4094 3 жыл бұрын

@razanhasanat178 5 жыл бұрын

thanks a lot prof,, this tutorial help me more than i need ,clear and very easy Iam lucky to find this video,,

@redkoalabare 8 жыл бұрын

You're the man! Thank you so much!

@imbatmanlol Жыл бұрын

This man single handedly carries us

@jordanwaltz9271 7 жыл бұрын

you are a legend my dude

@classly0096 5 жыл бұрын

ur video saved my life thx

@jumeepark3302 8 жыл бұрын

Thank you so much for those videos!!!!! Professor Dave is the best ! your explanation is super crystal clear =)))))) By the way, I like your hair! haha

@secretgarden8142 3 жыл бұрын

Thank you so much (Sun 20 Dec 2020, 2:58 AM)

@anuradhanipoornima 3 жыл бұрын

Thank you very much for teaching how to draw this chair conformations correctly. I tried to understand this with my books and failed. Then I found this amazing video. 😊😊😊

@bhavyasharma1381 2 ай бұрын

Thanks professor dave

@priyanshsuthar519 Жыл бұрын

Molecules choose wisely which chair to sit in.

@kidto415 9 жыл бұрын

Thanks so much.

@Eric-sq4hd 5 жыл бұрын

this guy is a total complete boss.

@ginjaremixes6913 3 жыл бұрын

This stuff was frustrating me so much, I might've just flipped a chair!!! But thanks for clearing that up. My chair is fine now.

@moritarazi1718 8 жыл бұрын

HI DAVE, YOU ARE THE BEST

@shreyanshkushwaha5515 3 жыл бұрын

actually equatorial and axial positions can tell u if they are cis or trans it is- for 1,2 carbon axial and equatorial will be cis to one another for 1,3 carbons axis and equatorial will be trans and for 1,4 axial and equatorial will be cis if at 1,2 carbon both hydrogens are equatorial/axial it would be trans relation if at 1,3 carbon both hydrogen are equ/axial it will be cis

@ProfessorDaveExplains 3 жыл бұрын

Yes, it depends on the location. So the terminology is not inherently linked.

@saptarshisahoo5075 8 жыл бұрын

Thanks man!!

@orlybiton 6 жыл бұрын

damn this video is so good!

@mariakhan6090 4 жыл бұрын

If Jesus was a professor, he'd be like you 🙏 thanks for saving our grades every time, no video on KZfaq is as straightforward and concise as yours

@alekhya9494 3 жыл бұрын

Thank you so much . From India 🙏

@niushagheibi 2 жыл бұрын

Awesome! Thanks

@badaandnamu4285 8 жыл бұрын

Thanks from south of Korea:)

@serene9532 6 жыл бұрын

눈누난나 안녕하세요! 한국 사람? It looks like you're learning english..Would you like some help? And I would appreciate any help with my 한국어 ㅋㅋㅋ Please reply to this if you're interested ^^

@cyclechick8609 Жыл бұрын

Bowtie syndrome lol. Thank you for making sense of this when none of my undergrad professors could!

@rassimsimou1594 Жыл бұрын

Good

@bharathmd4313 7 жыл бұрын

teaching method is best .l like so much

@ayush-sp6xr 3 жыл бұрын

This is how I want my professor to be The statement about not relating cis trans to axial and eque helped a lot thanku professor u just got a new partial student and well as partial fan Haha remember fasan rule I can't be both at same time 😂

@anne_luna 8 ай бұрын

I have a doubt. In a question that I came across it was about total products from monochlorination of methyl cyclohexane..they had treated the 1,4 position of ch3 and cl as having an isomer so it resulted in two products from that conformation..I'm now really confused as to why it had an isomer even though there was no chiral carbon. I hope you see this😭