Recent Tutoring Session Reviews
"5/23 [COVERED]: We covered Acid-Base Chemistry. We began with the various definitions of acids, showing how they were increasingly inclusive: Arrhenius, Bronsted-Lowry, and Lewis. We reviewed the basis for the differences in strength between covalent, polar covalent, and ionic bonds as well as defining dative/coordinate covalent bonds. We discussed the relationship between an acid or base and its conjugate. We discussed how the acid constant K-a is just another example of an Equilibrium constant for the dissociation reaction for an acid. I showed how the dissociation reactions for an acid and its conjugate base, when summed, equal the autoionization reaction of water. We had to sidetrack to how to figure out the overall K-eq of a multi-step reaction via multiplying and crossing out. From this, we established the relationship of K-a, K-b, and Kw for an acid/base species and its conjugate. From there, we moved on to the Henderson-Hasselbach equation. I showed how it was derived, and then how it could be used to predict the current pH of a system, or to describe the ratio of conjugate base to acid. [PROGRESS]: The student remembered a few important facts and concepts from our last session. Our discussion of spontaneity and the balance of products and reactants at equilibrium had stuck, as well as how to construct an equilibrium expression."
"Today we covered LSAT logical reasoning timing strategies, LSAT logical reasoning-causal reasoning, and LSAT preparation planning. The student did great today."
"We worked on logical reasoning and a little logic games. We are just trying to get the student to focus more on the specific language and shifting meanings."