TODAY’S DO NOW 1.Balance the following equation: ___SnO 2 + ___C ___Sn + ____CO 2. Complete the following mole to mole ratios based upon your balanced equation above: ___SnO 2 :___CO ____CO:____C 3. If 14.3 grams of CO are produced in the reaction, how many moles of C reacted?
BY THE END OF CLASS TODAY, WE WILL BE ABLE TO… Convert grams of reactants to grams of products using a balanced chemical equation
TODAY’S GAME PLAN Do Now10 minutes Grams Grams15 minutes Warm-Up15 minutes Molympic Gymnastics40 minutes Exit Ticket 10 minutes
STOICHIOMETRY… Grams of Given Moles of Given Moles of Unknown Grams of Unknown Each blue arrow represents a conversion factor
____ BF 3 + ____ H 2 O ____ B 2 O 3 + ____ HF BASIC STOICHIOMETRY CALCULATIONS If 16.7 grams of BF 3 react with an excess of H 2 O, how many grams of HF will be produced? Our Problem:
____ BF 3 + ____ H 2 O ____ B 2 O 3 + ____ HF BASIC STOICHIOMETRY CALCULATIONS If 16.7 grams of BF 3 react with an excess of H 2 O, how many grams of HF will be produced Step 1: 16.7grams BF 3 x 1 mol BF grams BF 3
____ BF 3 + ____ H 2 O ____ B 2 O 3 + ____ HF BASIC STOICHIOMETRY CALCULATIONS If 16.7 grams of BF 3 react with an excess of H 2 O, how many grams of HF will be produced 2631 Step 2: 16.7grams BF 3 x x 1 mol BF grams BF 3 6 mol HF 2 mol BF 3
____ BF 3 + ____ H 2 O ____ B 2 O 3 + ____ HF 16.7grams BF 3 x x x 1 mol BF grams BF 3 6 mol HF 2 mol BF 3 BASIC STOICHIOMETRY CALCULATIONS If 16.7 grams of BF 3 react with an excess of H 2 O, how many grams of HF will be produced 2631 Step 3: grams HF 1 mol HF
Grams of Given Moles of Given Moles of Unknown Grams of Unknown 16.7g BF grams HF 1 mol HF x x x 6 mol HF 2 mol BF 3 1 mol BF grams BF 3 = 14.8 grams HF
____ BF 3 + ____ H 2 O ____ B 2 O 3 + ____ HF BASIC STOICHIOMETRY CALCULATIONS If grams of H 2 O react with an excess of BF 3, how many grams of HF will be produced? Our Problem:
TODAY’S GAME PLAN Do Now10 minutes Grams Grams15 minutes Warm-Up15 minutes Molympic Gymnastics40 minutes Exit Ticket 10 minutes
WARM-UP WITH YOUR TEAM Stretch those Molympic muscles! Prepare for your Molympics competition by completing the practice worksheet with your teammates
TODAY’S GAME PLAN Do Now10 minutes Grams Grams15 minutes Warm-Up15 minutes Molympic Gymnastics40 minutes Exit Ticket 10 minutes
MOLYMPIC GYMNASTICS You will be competing in final event of the Molympics – the team gymnastics competition! Each individual will compete in each event station, but you will be scored as an overall team Only one member per team at any station at a time Team with the overall highest total will win the GOLD!
TODAY’S GAME PLAN Do Now10 minutes Grams Grams15 minutes Warm-Up15 minutes Molympic Gymnastics40 minutes Exit Ticket 10 minutes
EXIT TICKET 2Hg + O 2 2HgO Consider the balanced equation, how many grams of HgO will be produced when 44.0 g of O 2 react with excess Hg?