12/19/2010 Standards: Many Objectives: a. Check for understanding with Test 2 - Ch 2,3,4,5,6,8, & 9 DO NOW: 1. Clear floor and tables: You will want calculator,

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12/19/2010 Standards: Many Objectives: a. Check for understanding with Test 2 - Ch 2,3,4,5,6,8, & 9 DO NOW: 1. Clear floor and tables: You will want calculator, pencil, scantron, and help sheet. HOMEWORK: 1. ChemThink.com (10 pts) Due tonight by 12:00 midnight ========================================================= STAMPS: NONE ChemThink.com (10 pts) Due tonight by 12:00 midnight

12/20/2010 Standards: 3 (Stoichiometry & Conservation of Mass) Objectives: a. Be able to balance simple chemical equations b. Be able to recognize: coefficients, reactants, & products HOMEWORK: 1. SN Ch 10.1 p (4 pts) Std 3 2. Ch 10.1 PP's, p (1 pt) Std 3 ========================================================= STAMPS: NONE Spotlight.exe

Continue to take notes on everything requested by the video and turn in at end of period (5 pts) Name:_________________ Date: 12/19/11 Per:_____ DO NOW: 1. Balance these equations: a. ___ HgO ---> ___Hg + ___O 2 b. ___ Zn + ___ HCl --> ___ ZnCl 2 ___ H 2

Std 3

DO NOW: 1. Balance these equations: a. ___ HgO ---> ___Hg + ___O 2 b. ___ Zn + ___ HCl --> ___ ZnCl 2 ___ H Spotlight.exe Coefficient - the number in front of each element/compound in an equation

Reactants LEFT Products RIGHT Cu (s) + AgNO 3 (aq) -----> Ag (s) + Cu(NO 3 ) 2 (aq) The LAW of CONSERVATION OF MASS requires that we balance chemical equations Spotlight.exe

Link for video showing reaction of copper wire (Cu) with silver nitrate solution ( AgNO 3 ) Cu (s) + AgNO 3 (aq) -----> Ag (s) + Cu(NO 3 ) 2 (aq) link 1 2 Spotlight.exe If watching at home, click here to see vide

Answer 2 H 2 + O 2 2H 2 O balancing chemical equations.avi Work through this sample together, or click on the video file below to watch, listen, and learn how to balance a chemical equation. Video Tutorial __H 2 +__O 2 ---> __H 2 O 1 2

Answer C + 2Cl 2 CCl 4 Balance the following equation. __C + __Cl 2 ---> __CCl 4 1 2

Answer C aCO 3 CaO + CO 2 __CaCO 3 ---> __CaO + __CO 2 1 2

__H 2 + __Cl 2 ---> __HCl __H 2 O 2 ---> __H 2 O + __O 2 __Na + __F 2 ---> __NaF __KClO 3 ---> __KCl + __O 2 __P + __O 2 ---> __P 4 O DIRECTIONS: Copy these equations on the paper you will be turning in. Balance each equation on your own.

12/21/2011 Standards: 3 (Stoichiometry & Conservation of Matter) Objectives: a. Practice Balancing Equations DO NOW: 1.Balance these 3 equations: a. C 2 H 5 OH (l) + O 2 (g) à CO 2 (g) + H 2 O (g) b. NH 3 (g) + O 2 (g) à NO (g) + H 2 O (g) c. SiO 2 (S) + HF (aq) à SiF 4 (g) + H 2 O (l) HOMEWORK: 1. Have a Merry Christmas and a Happy New Year!!! That is an order!!!!! = =============================================================================== S TAMPS:None ANNOUNCEMENTS: Mr. Wigger sings today at end of period. Cookies will be served as you leave! Merry Christmas

/2010 Standards: z Objectives: a. DO NOW: 1. HOMEWORK: 1. ==================================================================== STAMPS: Journal BASKET:

/2010 Standards: z Objectives: a. DO NOW: 1. HOMEWORK: 1. ==================================================================== STAMPS: Journal BASKET:

/2010 Standards: z Objectives: a. DO NOW: 1. HOMEWORK: 1. ==================================================================== STAMPS: Journal BASKET: