1. 2/20/2012 Standards: z Objectives: ● No School – President’s Day DO NOW: 1. HOMEWORK: 1. ====================================================== STAMPS: ● Journal BASKET:

2. 2/21/2012 Standards: 3e (calc. mol & masses of reactants products) Objectives: ● What is stoichiometry? ● 3 Relationships for stoichiometric calculation - mole-mole vs molecule-molecule vs gram-gram ● Stoichiometry from balanced equations ● Mole ratios - ratios between any two substances in a balanced chemical eqn DO NOW: 1. Balance this equation and give the molecule and mole ratioes. 3 pts ex. cr. if you figure out the gram ratios:Fe + O 2 -------> Fe 2 O 3 HOMEWORK: 1. Ch 12.1 PP's, P. 356 1 (a-e), 2 (a-c), 3 (a & b) (5pts) 3e 2. EXTRA CREDIT Bring in a recipe for any food dish along with a sample made with that recipe. Possible of 5 pts extra credit. Due no later than tomorrow. ========================================================== STAMPS: ● Journal 2/16 (day before quiz) 1. SN Ch 12.1 p. 155-158 (5 pts) Std 3e

4. Fe + O 2 -------> Fe 2 O 3 : : : : : : RP (molecule/atom) ratios gram ratios mol ratios We always use a balance equation for Stoichiometry see below for molar masses This is just like p. 356 PP's 1 (a-e)

5. 6.02 x 10 23 1 mol : apples oranges 1 apples 3 oranges = 3 mol oranges apples 1 mol

6. 6.02 x 10 23 1 mol : apples oranges 1 apples 3 oranges = 3 mol x

8. Introduction to Stoichiometry stoichiometry song http://www. youtube.co m/watch?v =rWCv- ymhpfY Professional video for how to use stoichiometry in balanced equations http://www. youtube.co m/watch?v =q_rbjDGi yWM

10. 1 & 2 3 & 4 5 & 6 7 & 8 9 & 10 11 & 12 This is just like the problems on p. 357 PP's 2 (a-c) and 3 (a & b)

11. MOLE RATIOS This is just like the problems on p. 357 PP's 2 (a-c) and 3 (a & b)

12. 2/22/2012 Standards: 3 Objectives: ● AP Chem - hard and fun - DVD from Mrs. Taylorson ● Demo Na + H 2 O ---> NaOH + H 2 + heat ● mol to mol (p 359) and mol to mass conversion (p. 360) with examples DO NOW: 1. given 3.5 mol H 2, how many gram of H 2 O can be made? H 2 + O 2 ----> H 2 O HOMEWORK: 1. Ch 12.2 PP's, p. 359-360 9-12 (5 pts) Std 3 2. See HW page, assignment #2 for Ex Cr opty ========================================================== STAMPS: Journal 2/21 1. Ch 12.1 PP's, P. 356 1 (a-e), 2 (a-c), 3 (a & b) (5pts) 3e

13. Period 5 only

15. Given: 1.25 mol C 2 H 4 Find: ? g CO 2 could be made?

18. 2/23/2012 Standards: 3 Stoichiometry Objectives: ● Be able to convert from grams of any reactant or product to grams of any other reactant or product. DO NOW: 1. Given: And you are given 8.5 g O 2 How many g of H 2 O can be made? H 2 + O 2 ----> H 2 0 HOMEWORK: 1. Ch 12.2 PP's p. 362 13 & 14 App A Ch 12-2 p. 878 7,8, & 9 Ans: 7. 924g CO 2, 8. 314g H 2 SO 4, 9. 1.31g CO 2 = ================================================== STAMPS: ● Journal 2/22 1. Ch 12.2 PP's, p. 359-360 9-12 (5 pts) Std 3

19. No where - - - but there

22. I've learned: That being kind is more important than being right

23. What are these? grams ---> mol ---> RP givengiven givengiven givengiven findfind findfind findfind balan ced equa tion grams ---> mol ---> RP givengiven givengiven givengiven findfind findfind findfind bala nce d equ atio n grams ---> mol ---> RP givengiven givengiven givengiven findfind findfind findfind bala nce d equ atio n grams ---> mol -- -> RP givengiven givengiven givengiven findfind findfind findfind bal anc ed equ atio n grams ---> mol ---> RP givengiven givengiven givengiven findfind findfind findfind bala nce d equ atio n grams --- > mol ---> RP givengiven givengiven givengiven findfind findfind findfind balancedequationbalancedequation

24. grams ---> mol ---> RP given find balanced equation

27. 6.02 x 10 23 mol Given Find x = H 2 + O 2 ----> H 2 0 Given: 8.5g H 2 Find: g H 2 O x xx = x

28. 2/24/2012 Standards: 3 Objectives: ● Students will complete or get most of the homework problems done in class. DO NOW: 1. Complete as much of your Homework as possible. HOMEWORK: 1. Ch 12.2 Assess p. 363 15, 16 (copy the questions & give your best answers) Ch 12 Assess p. 380 69 Ans: 6.72 g CH 4 App A p. 877-878 5, 6, & 10 (5 pts) Std 3 Answers for App A problems: 5. 0.600 mol HCl ; 6. 2.29 mol Cr 2 O 3 ; 10. 195.7 g asprin ========================================================== BASKET: ● Ch 12.2 PP's p. 362 13 & 14 App A Ch 12-2 p. 878 7,8, & 9 (5 pts) Std 3