Chemistry – April 17, 2019 P3 Challenge –

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Presentation transcript:

Chemistry – April 17, 2019 P3 Challenge – Get out Stoichiometry WS For Hmk check P3 Challenge – Consider the combustion reaction of 2 C3H8O + 9 O2  6 CO2 + 8 H2O. How many grams of CO2 will be formed from the combustion of C3H8O with 15.0 L of oxygen at STP? Today’s Objective – S’mores Lab Activity Agenda Homework Review S’mores Activity Assignment: Complete S’mores Activity (due Friday)

Homework Ans Only 1. a) 2 mol C4H10 13 mol O2 b) 13 mol O2 8 mol CO2 c) 13 mol O2 10 mol H2O d) 2 mol C4H10 8 mol CO2 e) 2 mol C4H10 10 mol H2O 2. 18.00 mol O2 9. 7.46 g HCl; 65.0 mol HCl 3. 4.77 g KCl ; 2.10 g KCl 10. 35.1 PbS; 121 L H2S 4. 155 g NaOH ; 124 g Na2O 11. 1.47 x 103g CaCl2 5. 27.9 g Fe; 43.9 g FeS 12. 17.5 kg Fe 6. 576.0 g O2; 97.4 g NaCl 13. 127.9 g O2 7. 1.75 mol Cu; 26.4 g Cu 8. 20.7 g Fe; 0.537 mol Al; 0.269 mol Fe2O3; 12.8 g Al2O3

S’mores Activity, work in pairs You will be given a Kit that contains Yellow cards for Graham Crackers Styrofoam balls for Marshmallows Gold beads for Chocolate pieces You get to Cook and Eat after completing the activity with your kit. Real S’mores Recipe: 2 Graham Crackers, 1 Marshmallow and 1/4 of a Hershey bar (3 small pieces). Construct and Microwave for 5 seconds.

Exit Slip - Homework Exit Slip: Clean up and return your S’mores Kit intact with the items you inventoried. What’s Due? (Pending assignments to complete.) S’mores activity due Wednesday What’s Next? (How to prepare for the next day) Read p100-102, p224-232, 241 p246-247