Do Now Silently think about and respond: When the bell rings After the bell (2 min) In your seat: With pen/pencil With Notebook With Handout Silent and ready for Do Now Silently think about and respond: What is our Big Goal? How do we measure our progress each day? Still needs Do Now

Agenda  Do Now (5 min) Warm Up (25 min) Notes: Review (20 min) Chalk Lab (15 min) Independent Practice(10 min) Closeout (2 min)  Agenda

Review: The Mole Objectives: Identify and explain how changes in concentration, temperature, pressure and surface area impact the rate of reaction Explain the impact a catalyst has on a chemical reaction Utilize dimensional analysis to solve stoichiometry problems

2Al + 6HBr  2AlBr3 + 3H2 I do: When 3.22 moles of Al react with 4.96 moles of HBr, how many moles of H2 are formed? What is the limiting reactant? We do: When 7 moles of Al react with 3 moles of HBr, Warm Up Steps for Solving LR Problems: Circle givens and write them in 2 separate boxes Convert both to what you are looking for. See which one makes less (Limiting Reagent)!

Warm Up You do: Complete Questions 2 – 4 Work Independently Ask questions Answer Problems (On Notebook Paper) Skip All part C’s Warm Up Steps for Solving LR Problems: Circle givens and write them in 2 separate boxes Convert both to what you are looking for. See which one makes less (Limiting Reagent)!

Rate of reaction is measured in change in concentration of reactants or products Reactants are used up to make products Chemical reactions are the result of collisions between reactants 4 factors affect the number of collision Concentration Temperature Pressure Surface Area KP #1: Reaction Rates

KP #1: Reaction Rates Catalyst: Increases rate of reaction by lowering the activation energy KP #1: Reaction Rates

1 mole of something = its atomic mass KP #2: Molar Mass

Review # 1 What is the molar mass of KOH?

KP #3: Conversion ALWAYS do the following: Make a box Put your given & units in top left Fill in units on right side and find conversion factor for number Cancel units Multiply LR Divide, if necessary KP #3: Conversion Conversion Factors: 1 mole = molar mass (grams) 1 mole = 6.02 x 1023 molecules Mole Ratio

KP #3: Conversion ALWAYS do the following: Make a box Put your given & units in top left Fill in units on right side and find conversion factor for number Cancel units Multiply  Divide, if necessary KP #3: Conversion Conversion Factors: 1 mole = molar mass (grams) 1 mole = 6.02 x 1023 molecules Mole Ratio

Review # 2 How many moles are in 65 grams of H2O2?

Review # 3 How many grams are in 5.4 moles of Li2O?

Review #4: Symone obtained 4.5 moles of Cl2. How many atoms (molecules) does she have?

Review #5: How many moles of O2 will be obtained by decomposing 3.50 moles of KClO3? ___KClO3  ___KCl + __O2 *Balance first then fill in the chart*

Activity: Chalk Lab We are headed outside What you need: A piece of chalk The mass of your chalk before leaving Your notes One handout per group (You will turn this in for today’s grade) Get the mass of your chalk when we return Activity: Chalk Lab

Independent Practice Study Guide