Kinetics and equilibrium April 10, 2018 Equilibrium Kinetics and equilibrium Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Do Now (4 min) April 10, 2018 Learning target: I can define the variables that are necessary for equilibrium to occur using real-time data Do Now: (Answer on your Do Now Sheet) What do you think equilibrium means? Where have you heard it? Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Announcement April 10, 2018 Last tutoring of this marking period - Thursday: 3 – 4:30 PM *Check to make sure you have all of your labs in!!!! Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Official Data Recorder Official Timekeeper Activity April 10, 2018 Volunteers: Official Counter Official Data Recorder Official Timekeeper Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Take two paper towels and make two paper wads each Activity April 10, 2018 Take two paper towels and make two paper wads each Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

You can only throw one paper wad at a time Activity April 10, 2018 Rules: You can only throw one paper wad at a time You cannot gather up a bunch and throw them all If one lands near you, you must pick it up and toss it When the timekeeper yells “STOP” everyone freezes Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Left side of room Right side of room Products Reactants Activity April 10, 2018 Left side of room Right side of room Products Reactants Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Activity April 10, 2018 Experiment 1 Half of students on each side of the room All the wads on the reactant side Timekeeper: Stop every 5 seconds Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Activity April 10, 2018 Experiment 2 29 students on the reactant side of the room 2 students on the product side of the room All the wads on the product side Timekeeper: stop every 5 seconds Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Activity April 10, 2018 Experiment 3 29 students on the reactant side of the room 2 students on the product side of the room All the wads on the reactant side Timekeeper: stop every 5 seconds Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Experiment 1 Data April 10, 2018 70 60 50 40 30 20 10 Number of Paper Wads 5 10 15 20 Time (s) Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Experiment 2 Data April 10, 2018 70 60 50 40 30 20 10 Number of Paper Wads 5 10 15 20 Time (s) Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Experiment 3 Data April 10, 2018 70 60 50 40 30 20 10 Number of Paper Wads 5 10 15 20 Time (s) Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Review of activity April 10, 2018 For each of the three experiments, what was similar? What happened to the concentration at the beginning of each reaction? What happened to the concentration at the end of each reaction? Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Key points April 10, 2018 Some physical and chemical reactions are capable of reaching equilibrium. Equilibrium occurs when the _____________________ of the forward reaction equals the ______________________ of the reverse reaction in a closed system.   When equilibrium is reached, it does not mean that the reactants and products are of equal quantities. So… - Equilibrium is represented by DOUBLE ARROWS instead of a single arrow. This allows us to illustrate that the reactions are proceeding in both directions (forward and reverse). Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

discuss April 10, 2018 In PAIRS: Discuss and write down: How does the image represent an equilibrium? Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

equilibrium April 10, 2018  Equilibrium is __________________________ which means that it is constantly ____________________ or _______________________  Equilibrium means that reactant and product ____________________are __________________. *Equilibrium does NOT mean that reactant and product concentrations are equal. Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Pair work April 10, 2018 1) Define equilibrium in terms of reactant and product concentrations: _________________________________________________________ 2) Define equilibrium in terms of forward and reverse reaction rates: Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

All occur in CLOSED SYSTEMS ALL ABOUT THE ______________! Types of equilibrium April 10, 2018 All occur in CLOSED SYSTEMS ALL ABOUT THE ______________! Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Physical equilibrium April 10, 2018 Equilibrium that involves physical changes a) Phase Equilibrium – occurs during a _________________________ Examples: ___________  _______ of MELTING = ______ of FREEZING (sealed container @ 0ºC) ____________  _______of EVAPORATION = _____ of CONDENSATION (sealed container @ 100ºC) Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Physical equilibrium April 10, 2018 b) Solution Equilibrium – occurs at a solution’s SATURATION POINT RATE_ of DISSOLVING = RATE of CRYSTALLIZATION example: ______________________________ Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Chemical equilibrium April 10, 2018 2. Chemical Equilibrium: _occurs during a chemical change_ ______ of the FORWARD RXN = _____ of the REVERSE RXN OR ______ of BREAKING BONDS = _____ of FORMING BONDS Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Work on the following regents questions in PAIRS Pairwork April 10, 2018 Work on the following regents questions in PAIRS Make sure you ANNOTATE the questions as you work. If not complete, complete for homework. Due tomorrow. Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

Due Tomorrow, April 24 Homework Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names

April 10, 2018 Exit ticket (3 min) EXIT TICKET: Complete on a separate sheet of paper How would you describe the concentration of reactants and products at equilibrium? Learning Target: I can draw organic compounds from formulas and determine the formula of organic compounds from the names