Molarity Molality and Molar Mass for MCAT General Chemistry

Molarity Molality Molar Mass Shortcut MCAT General Chemistry by Leah Fisch

Molarity, Molality, and Molar Mass calculations can get overwhelming FAST on the MCAT. This video shows you how to easily calculate each of these concepts as well as some time saving shortcuts with a few examples. You’ll learn the differences between molarity vs molality as well as fun trick for quickly estimating between them on the MCAT! (Watch […]

Empirical Formula and Molecular Formula Calculations

Empirical Formula vs Molecular Formula Calculations for the MCAT by Leah4sci

Navigating through empirical formulas versus molecular formulas will help you in conversions, unknowns, and so many exam problems. This video explains the definitions, similarities, and differences between an atom’s empirical formula and its molecular formula. You will also see when the empirical and molecular formulas are the same, and a percent by mass example! (Watch […]

Acetal Ketal Hemiacetal Hemiketal Reactions Overview and Shortcuts

Acetals Ketals Hemiacetals Hemiketals Overview in Organic Chemistry

This video offers an overview and comparison between the acetal, ketal, hemiacetal, and hemiketal reactions including stability of products and intermediates. You’ll also learn my shortcut trick for quickly identifying carbonyl and alcohol reactants from products and acetal or ketal products from reactants.   (Watch on YouTube: Acetal Overview.Click CC for transcription.) –> Watch Next […]

MCAT Zones, Deadlines, Scheduling, and Rescheduling Fees

MCAT Zones Deadlines and Registration Fees by Leah4sci

AAMC Registration Zones, Deadlines and Fees can be confusing. As a premed trying to sign up for the MCAT you already have enough to deal with as is. This video will explain what they mean for your test preparation, scheduling, fees, and refunds. You’ll hear my advice on when to commit to a test date, evaluating […]

Are You Ready for the MCAT?

Are you ready for the mcat video by leah fisch_preview

With a few weeks to your MCAT test date, how do you know that you’re really ready? It can be hard to feel confident. But there are ways you can know for sure as you approach your test that you are READY! This video takes you through a few self-evaluation questions to help you figure […]

Specific Rotation Calculation in Optical Activity

Specific Rotation in Optical Activity in Chirality & Stereochemistry Video Tutorial Series by Leah4sci

Specific Rotation calculations are a useful tool in optical activity. This video will help you understand the factors influencing specific rotation such as observed rotation, g/mL, path-length, wavelength, and temperature. You will see a detailed breakdown of the equation along with a few examples to follow along. (Watch on YouTube: Optics 2. Click CC for video transcription.) <– […]

Molecular Weight and Formula Weight Calculations

Stoichiometry & Reactions 2 Molecular Weight by Leah Fisch

Molecular weight and formula weight calculations are key to understanding the specifics behind any MCAT reaction and experiment. This includes both atomic mass unit and grams per mole calculations. And maybe even the conversion from AMU to g/mol. This video shows you how to find molecular weight in AMUs, grams per mole, and formula weight […]

Physical Properties of Alcohol: Hydrogen Bonding, Solubility, and Boiling Point

Physical Properties of Alcohol Solubility and Boiling Point Video Tutorial in Organic Chemistry by Leah Fisch

The key to understanding physical properties of alcohol, including hydrogen bonding solubility and boiling point is to understand the structure and charge distribution within the alcohol functional group. This video will show you the behind-the-scenes intermolecular forces at work that affect alcohol’s ability to hydrogen bond for solubility in water, miscibility, and boiling point trends. You’ll […]

Introduction to Alcohol Reactions

Introduction to Alcohol Reactions by Leah Fisch

The key to mastering alcohol reactions is understanding WHY they react as they do. What about the OH functional group makes it want to attack or get attacked, as you will learn in later mechanisms? This video will give you a solid foundation to help you prepare to master the more advanced reactions starting with […]

Introduction to Reactions and Stoichiometry in MCAT General Chemistry

Introduction to Reactions and Stoichiometry in MCAT General Chemistry Tutorial Video by Leah Fisch

Stoichiometry is part of MCAT Chemistry Content Category 4E. This video introduces the terms you will need for mastering this content category. Learn the distinctions between atoms, compounds, covalent bonds vs ionic bonds, molecular formula vs empirical, theoretical yield vs actual yield, and much more. (Watch on YouTube: Intro to Stoichiometry. Click cc for transcription.) Links […]