…find the total force in the x-direction, y-direction, and some vector between the x and y axis. This video breaks it down with examples including normal force and inclined planes….
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Halohydrin Formation – Alkene Reaction Mechanism
…bromine slightly ‘less’ positive but also places a partial positive charge on the 2 bound carbon atoms. The Caged Bromide Ion: The negative bromide in solution would like to attack…
Organic Chemistry Review Replay
…Hybridization concept and sp3 hybrid formation tetrahedral structure in 3D on 2-dimensional paper difference between propyl and isopropyl functional groups Organic Chemistry Review Part 3 Questions covered: Determining a stable…
Video Transcript: Gravitational Forces in MCAT Physics
…walk, ride a bike, that is considered the general surface that has a gravitational acceleration that is approximately 9.81 meters per seconds squared. But you can’t do calculations for this…
Video Transcript : Introduction to Acid Base Chemistry Conjugates and Reactions
…neutral and ammonium positive, plus one is more positive than neutral making it the acid but because it’s the product we’ll call it conjugate acid and ammonia neutral is more…
Video Transcript: Naming Aldehydes Using IUPAC Nomenclature
…single bound H represents the aldehyde. Be careful not to confuse the functional group and an aldehyde with that of a carboxylic acid which has an extra oxygen between the…
Video Transcript : Ka and pH shortcut for Weak Acids in MCAT Chemistry
…the H+ concentration on equilibrium which is X. Simply setup your equation so that ka is equal to x squared over molarity initial of your initial acid, solve for X…
Getting Started Guide for New Leah4sci Visitors
…site. But as the site keeps growing I realize it can become quickly overwhelming to find all the tutorials, videos, cheat sheets and more. Bookmark this page so you can…
Video Transcript : Henderson-Hasselbalch MCAT Trick for Buffer pH Without a Calculator
…I’m teaching this video to go with my Zwitterion tutorial which you can find on my website at leah4sci.com/AminoAcids. On the MCAT you can’t use a calculator which means you…
Video Transcript: Introduction to Forces in MCAT Physics
…I’ll cover Newton’s laws and then the various forces that you have to know including Normal Force, Gravitational, Tension, Static and Kinetic, Friction, Centrifugal Force, and Rotational such as Torque….