2 bromo 4-pyrixineboronic acid, 4bromo 2-pyridine boronic acid nmr analysis comparison please.

how come we dont have to convert the moles into concentration (moldm-3) before putting it into the kc equation?

Hello, if I provide you with hnmr,ir, and mass spec, can you help me elucidate the structure? I'll be thankful to you.

thank you so much

Thank u it really helped a lot sir

I need file pracitice please

Why did you speed through everything and not write down each step? I swear some of you so called teachers don't actually teach anything. Stop treating the problem like we already know what the steps are. If you are going to teach it TEACH IT!!! You know how to do it we don't. Write down each step, don't speed though the problem verbally (it makes what you are doing confusing), put all of the numbers in the part of the problem they go into to solve the problem. You basically did exactly what Aleks does which defeated the purpose of this entire video.

thank you this helped so much!

It worked

6 years ago and still saving hundreds, if not thousands, of students a semester. You are the definition of a saint.

Thank you man you are a life saver

God bless you , sir. I learned more in 9 minutes than I have in 4 weeks worth of lectures.

Wow you actually caught me with the ones in the ring, I completely forgot about resonance

Great video so helpful thank you!

So the conversions are right, most of this video is correct but some parts are wrong. R= 8.31446 when working with MPa or Pa and when the volume is in m to the third power. R=0.0820574 when the pressure is in atm and the volume is in liters. And how he converted 613.3 kelvin to Celsius is by subtracting 613.3k-273=340c. You always subtract 273 from kelvin when trying to find Celsius and you always add 273 when you are trying to find kelvin from Celsius. Also to find temperature you would use the equation T=PV/nR

i never comment on educational vids but you actually saved me bc wtf was aleks yapping abt

Old Penny worked perfectly. Recommend

आप बहुत अच्छा काम कर रहे हो मक़सूद भाई, धन्यवाद।

Thank you

can i know where did you get this question which text book

Hi thanks, the Aleks explanation was no bueno for me 👎

Thank you for making this video

Thank you for producing and sharing this.

I am a second year uni student doing biochem and I was struggling to grasp 2D NMR spectra and this immediately answered all my questions, thank you :)

Your actually saving my grade rn i love you

Keep up the good work

#2 is wrong the answer is less than

In meta position the OCH3 group can’t donate its lone pair means it can’t show + R/+M EFFECT . It only shows - I EFFECT , SO the most deshielded peak is b peak not c peak…

this saved me I will invite u to may graduation 🥹

Garcia Cynthia Lewis Frank Williams Jeffrey

you need to square the r (denominator)

Thanks you!😁😁

Amazing explanation! Helped me so much 😁

Yeah this didn’t help in the slightest

For the Zinc problem how come you didn’t put the +2 charge in the beginning of the equation when you were setting it up?

taught this better than my chem teacher with a PhD!!! Thanks :)

just had the same question in the video and the answers were wrong

Great explanation, thankyou.

"hyeeelps", lol. Either way awesome explanation, sir, thank you!

Спасибо

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Why is there (3) 2p orbitals and (3) 3p orbitals?

6 years later and your helping me more thn my professor crazy. I spent 3 hours in this and after watching the video I finished in 3 min

After the molecular ion undergoes the McLaferty rearangent, it forms the Cationic Radical fragment you have drawn, where the new OH formed is now bound to an sp3 carbon, whereas the ester oxygen ends up sp2 hybridized after the carbon atom it was originally bount to, breaks off to form a neutral fragment. What I learn here is that through the McLaferty rearrangent of the Molecular Cationic Radical, a smaller Cationic Radical fragment forms containing the rearranged gamma hydrogen. As this species is also a CATION RADICAL, it is detected by the MS detector. Thanks.

WAIT!! how do you get to the last part ?? WHICH I PLUG THE SAME NUMBERS BUT IS NOT GIVING ME 613.3 K. can someone explain the last part Pleasee, Thank you