catalyst 1. what is the equilibrium point? 2. what exactly does equilibrium mean? 3. can you find a...
TRANSCRIPT
Catalyst
Catalyst1. What is the equilibrium point?2. What exactly does equilibrium mean?3. Can you find a situation in your body where this exists?4. Grade yourselves in your learning logs for all LTs
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Lecture 6.6 Intro to Buffers
6.8 I can identify the conjugate acid and base in a chemical reaction. 6.9 I can explain what a buffer is, draw a titration curve for a buffered solution, and explain why these are essential to maintaining life in humans. Todays Learning Target
What are conjugate acids and bases?
Conjugate Base The compound that remains after a Bronsted-Lowry acid has given off its H+.Conjugate Acid The compound that is formed when a Bronsted-Lowry base gains a H+.
HA + B A- + BH+I. Conjugate Acids and BasesIdentify the acid, base, conjugate acid, and conjugate base:HBr + NaOH H2O + NaBr Class Example
Identify the acid, base, conjugate acid, and conjugate base:H2SO4 + KOH KHSO4 + H2O Table Talk
Identify the acid, base, conjugate acid, and conjugate base:HI + NH3 NH4+ + I- Stop and Jot
What is equilibrium?
Weak acids and bases do not completely dissociate.This means that they exist in equilibrium There are both reactant and products present in a solution of weak acid or base.I. Weak Acid and Base Equilibrium
Equilibrium
SUMMARIZE
Learning Log AssessmentRate yourself 1 4 on LTs 6.8 and 6.9
Which Card?Raise your tables card in the air for the category that you think each compound belongs to.Your choices are:Bronsted Lowry AcidBronsted Lowry BaseArrhenius AcidArrhenius BaseConjugate AcidConjugate Base
Which Card?You run the following reaction:HCOOH + OH- COOH- + H2O1. What is OH-?2. What is HCOOH?3. What is COOH-4. What is H2O?Which Card?You run the following reaction:NH3 + HBr NH4+ + Br-1. What is NH3?2. What is HBr?3. What is NH4+?4. What is Br-?Which Card?You run the following reaction:HF + LiOH LiF + H2O1. What is LiOH?2. What is HF?3. What is LiF?4. What is H2O?Review StationsRotate between the 8 stations (9 for honors)
ROTATE!Station 1 LT 6.1Station 2 LT 6.2Station 3 LT 6.3Station 4 LT 6.4
Station 5 Calculating logsStation 6 LT 6.5Station 7 LT 6.6Station 8 LT 6.6
Honors Station 9 LT 6.8 and 6.9
Closing TimeTest on FridayRough Draft of Lab Report due Tuesday