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Catalyst

Catalyst. Look over your learning logs What are the three learning targets that you think will be the hardest for you? Copy them down. Why do you think that?. End. Binder Organization. Binder checks on each review day for each of our unit test

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Catalyst

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  1. Catalyst • Look over your learning logs • What are the three learning targets that you think will be the hardest for you? Copy them down. • Why do you think that? End

  2. Binder Organization • Binder checks on each review day for each of our unit test • You should have tabs labeled with the following (1) Learning Targets and Daily Work Organizers, (2) Notes, (3) In Class Work, (4) Homework, (5) Labs, Lab Repots, and Projects, and (6) Exit Slips, Quizzes, Tests • Everything you are given will now have a page number and this will help you keep your binder in the proper order.

  3. Sentence Starters

  4. Important Dates! • Rough Draft of Procedure/Results –February 21st-22nd • Rough Draft of Discussion – Tuesday March 7th-8th • Rough Draft of Introduction –February 28th • Final Draft of Report –March 14th-15th

  5. Top Achievers (>80%)Period 1 Jackpot Alvarado Ashley Cabrera Janeth Castaneda Ester Cruz Edgar Escarzaga Adrian Espinoza Rudy Leon Fernanda Magdaleno Ana Mercado Miguel Angel-Padilla Jessica Sanchez Joy Velez Maria Veliz Angelica Zessati

  6. Top Achievers (>80%)Period 6 Henry Rodriguez Luis Garcia Maria Servera

  7. Top Achievers (>70%)Period 3 Elizabeth Arroyo Haide Verdin Xavier Chavez Jonathon Camacho Kathy Rodriguez Linette Hernandez

  8. Top Achievers (>70%)Period 4 Ricardo Interiano Mike Davalos Breidy Rodriguez Melissa Rodriguez

  9. Top Achievers (>70%)Period 2 Noe Bonfil Armando Raya Genesis Acajabon

  10. Biggest Growth (>15% Growth)Period 3 Toni Martinez

  11. Biggest Growth (>15% Growth)Period 1 Jackpot Alvarado Ashley Cabrera Adrian Espinoza Angelica Zessati

  12. Biggest Growth (>15% Growth)Period 6 Maria Servera

  13. Biggest Growth (>15% Growth)Period 4 Melissa Rodriguez Elizabeth Ayala

  14. Biggest Growth (>15% Growth)Period 2 Genesis Acajabon Leslie Martinez Valencia Alamilla Marlene De La Torre Monae Warthen Mysty Carpenter Rashaun Hicks

  15. Today’s Learning Target • LT 8.3 – I can hypothesize about the impact that concentration, temperature, and pressure have on the rate of a chemical reaction.

  16. McDonald’s French Fries Reading • Read the article with your group. • Answer the questions and be prepared to discuss with the class.

  17. Reading Debrief • What is decomposition? • Why don’t McDonalds fries or burgers decompose? • How can we slow the rate at which something decomposes? • Should we be adding chemicals to our foods in order to preserve them? • What other questions did you have during this reading?

  18. Unit 8 – What is McDonald’s Putting In Its French Fries?

  19. LECTURE 8.1 – FACTORS ON RATE OF REACTION

  20. What are ways to impact the rate of reaction?

  21. I. Concentration and Rate • As you increase the concentration, the rate of reaction increases. • The higher the concentration the more collisions that are occurring, which increases the rate.

  22. II. Temperature and Rate • As you heat up molecules they begin to move faster. • The faster molecules move the more they collide, which means a faster rate.

  23. III. Pressure and Rate • As you increase the pressure molecules collide more into the wall of the container and into each other. • Therefore, as you increase pressure, you increase the rate of the reaction.

  24. Use the following words: • Pressure • Temperature • Concentration • Rate • Collisions Summarize

  25. Lab – Alka Seltzer Rockets • Read and annotate the procedure for the lab

  26. Lab Logistics • You will be working in groups of 4 • Decide who will take on each role: (1) Dropper (drops in tablet) (2) Capper (puts caps on test tube and turns upside down) (3) Cup Placer (places cup over test tube) (4) Timer/measurer

  27. Lab Demonstration

  28. Expectations • Explain the influence of (1) concentration and (2) temperature influence the rate of a reaction of Alka Seltzer. • You will turn in 1 COPY PER GROUP of your findings and post-lab questions at the end of class.

  29. Lab Work Time

  30. Post-Lab Analysis

  31. Exit Ticket • Complete the following statements: a. As pressure increases, rate ____________ b. As temperature decreases, rate _________ c. As concentration increases, rate ________ 2. Pick one of the statements in a – c and explain why a change in rate is observed.

  32. College-Ready Question: 2CO + O2  2CO2 If the above reaction takes place inside a sealed reaction chamber, then which of these procedures will cause a decrease in the rate of reaction? A raising the temperature of the reaction chamber B increasing the volume inside the reaction chamber C removing the CO2 as it is formed D adding more CO to the reaction chamber

  33. Closing Time • Turn in the lab questions as you leave. • Work on your lab report!

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