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just started studying for the mcat and the mental math felt so overwhelming at first, but these videos have been SO helpful and has made it seem less intimidating :) thank you very much!

I never comment on videos, but god this is such a good FREE resource with tips that my paid prep course never taught me. thank you for this.

Hey Leah! Just to clarify, when you mentioned 'except for cysteine,' does that imply that for cysteine, the stereochemistry is reversed, meaning D corresponds to L and R corresponds to S?

Tank you mam .the way you taught was really easy to understand

been struggling with understanding PI for months. This was immensely helpful. Thank you!

Wow this is superb🌟

I study 8 hours today my focus the size of electrons the speed traveled I am looking for something it keeps drawing me to study. My studies are energies and forces I looking for missed things or I don't know why something is telling me thanks for video everything helps.

As an Indian, do i have to give the MCAT exam to get into a US pre-medical school??

Please how do you know if you should look at the molecule from left side or right side or whether to look from the top or down?

Leah Im going to be hearing "A whole lotta tiny is equal to one big or 1 tiny is a tiny tiny portion of that big" and " You cant have One tiny is equal to a whole lot of huge and that just doesn't work " during my MCAT 😂

Wow! You answered my question perfectly!! Thank you so much

not sure if anyone will see this comment this far in the future but I would love if someone could clarify why we change +2aΔx to -2gΔy. I understand the x to y part but am still confused on the sign change and the change from a to g. anything helps, thanks!

So helpful thank you!

Excellent study plan

Leah4Sci. Wow. You made my organic chemistry journey smooth. Thank you. I only remembered the voice. Thank you

what about with a ketone

What happens to the purple “H” that’s attached to the red “O” that attacks?

When you say 1 issue as opposed content review what are you referring to?

I am 9 years late but could you please explain how you got the lower part of the atom's configuration to be R and then S because it was going in the left direction so wouldn't it be S ? i got it

For the square root question, should we distribute the 1/2 exponent to both the 1 and 10^-6? We do it in the second problem distributing the 2 to both 10^-4 and 9. Thanks!

Thank you so much for these great videos! How do you divide the decimals? I am trying to do the problems on your practice sheets, but I am getting confused.

thank you sooo mucchhhh, this is the only video i understand after hours and hours trying to understand it 😭😭

Thank you so much for all the videos you do. Quick question for you, does Khan academy still have the 300pg PS document? I can’t seem to find it

I love it! single-handedly saving lives here !!

I needed this so bad, thank you Leah! I have been struggling the last few months studying full time for this exam to only have plateau and not improve with my FL exams. I have taken 4 full length AAMC exams and have practiced CARS, went through Kaplan, and did a bit of Anki. I think my issue is trying to do a lot in a little bit and I don’t get the most out of my studying-surface level learning(exposure) is not enough for me, and I recognize that now. I need time and probably have to go about using my resources in a consistent and effective way. You will always be a core part of my college education and journey to becoming a doctor.

thank you. I really needed this.

Wow❤❤❤ im from chile i'm studying nursing i've always accomplished with chemistry, but you saved meee 😭😭😭😭 thank you very much!!!!!

I’m prepping for McAT and the math is just kicking my behind. I’m currently going through your MCAT videos. I am so so grateful for you!

A very useful video!

True!! I really wish I knew this

Re 6:26: Would 8.5 be close enough, Leah? I'm using these as my values (I've already memorized them, but I could memorize more specific values if you think it's necessary): Carboxyl: 2 D = 4 E = 4 H = 6 C = 8 Y = 10 K = 11 R = 12 Amino = 9 Thank you!!

Thank you for the video. In general what types of doctors do your students seek out to confirm their accommodations with the MCAT board?

Great video. The left/right eye method is one in which I will never understand. I'm sticking with the R/S guess/check method

I don't think the virus pushes at all....lol To push means it has some energy but that is not it You would have to learn about clathrins and stop saying push. It is almost like a lock and key system with the virus and if the receptors on the host match with the those on the viral particles, the cell takes the virion in via endocytosis(rme).

I was really scared abt maths in the med exam thks for these it’s so cool - Do more!!!!! 🌺

Thank you so much ❤️

Hi! Around 9:00 into this video, why won’t H2O do nucleophilic attack into the imine on the right (where N has positive charge with 4 bonds total)? Why does O in OH group have to form double bond with the carbon and kick out C-N pi bond to the nitrogen for H2O to then attack the carbonyl Carbon? Is it because C=O+ makes electrophilic carbon more electrophilic than C=N+?? Thank you!

Thanks. I tookn't chem in high school or college and known't much of anything about it. I'm preparing to startify initiating commencement of beginnification of learning it.

Cries *

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Just to check if I got that right haha Basically, in here, the (-) side of the cell is giving electrons to the +ions by the cathode, and the (+) side is receiving electrons from the -ions by the anode. The cathode is reducing ions, and the anode oxidizing them. In the galvanic cell, the cathode is still reducing, but it's reducing what exactly, the anode? So, the metal in the cathode goes to the ion form, getting itself oxidized while reducing the anode, which is oxidizing the cathode while reducing the +ions in the other solution? I am a bit lost in this one Is everything right?

are we supposed to convert g to kg? or can we use g in this case?

Whattttt i dont understand 😭😭😭 amd my test is tomorrow 😭😭

🔥 Thank you.

I want to cries everytime I study for the MCAT. I swear I can feel physical pain looking at these 😢

Why is the carbonyl and H in the wrong place at 10:30? Why are you swapping?