…different directions are all equal or they all cancel out. But there are different types of equilibrium to consider. Translational Equilibrium has to do with motion, so that means that…
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…the pattern, a trend of common issues. But I’ve also noticed that no two students are alike, and so no two programs should be alike! And with this pandemic wreaking…
Video Transcript : Converting Sawhorse to Fischer Projections
…quiz and cheat sheet by visiting my website, leah4sci.com/Fischer. Recall that a Fischer Projection is a two dimensional way of representing a three-dimensional molecule with one or more chiral centers….
Amino Acid Charge in Zwitterions and Isoelectric Point MCAT Tutorial
…neutral and 50% +1. The second value gives us 50% neutral and 50% -1. The isoelectric point is the average of the 2 pKa values that have a neutral molecule…
pH pOH Wheel Acid Base Calculations in MCAT Acid Base Chemistry
When you learn conversions between pH, pOH, H+ and OH- concentrations, it’s easy to get overwhelmed by all the different pathways and inter-conversions. This video shows you my pH/pOH wheel…
Keto Enol Tautomerization Reaction and Mechanism
…resulting product is an aldehyde instead of a ketone For even more on alkyne reactions, check out the alkyne reactions series and follow along with the alkyne reactions cheat sheet!…
What If Your MCAT Date Gets Cancelled
…early April, or students scheduled to test later knowing there’s a chance of additional test center closures. (Exams through April 4th have been cancelled. I speculate additional dates will be…
Acid Catalyzed Hydration of Alkenes Reaction and Mechanism
…reaction, alkenes can also be converted to alcohols using Oxymercuration-Demercuration or Hydroboration Oxidation. While the alcohol functional group is the same, it’s the regioselectivity and stereospecificity that sets each reaction…
MD Bound Despite 2.7 Undergrad GPA
…of positive impact on patients, I’d have to be a physician. This would give me the autonomy and intellectual challenge I desired in both a clinical and research setting. Since…
Video Transcript : pH pOH for Strong Bases in MCAT Chemistry
…new expression. X is equal to the square root of the molarity initial times the kb which we’ll plug in. The molarity initial is 0.008 and the kb is 1.8…
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