NEXT YEAR DON'T DO LOG CHARTS AT ALL. DO SIMPLE ESTIMATES OF LOGS USING EXPONENT OF 10

5/7/2012 Standards: 5 Objectives:●  CST Quiz w responders 41-50●  Be able to calculate pH and pOH and be able to convert pH <---> pOHDO NOW: 1. If [H+] = 1 x 10-5 what is the pH? 2. If pH = 5 what is the pOH 3. If the [H+] = 4 x 10-8 what is the pH?HOMEWORK: 1. Ch 19.4 PP’s p. 612 20 (a-c) and p. 631-632 87-89 (4 pts) 2. PRINT Tutorial on Neutralization reactions using M1V1a = M2V2b 3. CST 41-50 - work problems on printed paper, non-calc needs ans w

reason & page #, calc, needs given, find and calcs. (chk on-line vid)==========================================================STAMPS:   ●  Journal 5/4 1. Ch 19.3 PP's p. 609   18 (a-c) and 19 (a-c) (5 pts) Std 5

Watch the 2 videos on how to use the pH chart

RESPONDERS TODAY

CST Review - lunch every day for the next 10 school days.

If you attend you get 3 pts ex cr for each day

http://www.youtube.com/watch?v=2x5QeFBZvFU

3 Examples Video

Intro to Chart for finding pH from concentration

http://www.youtube.com/watch?v=IQnzryo6Bwo

pH = -log [H+]

pOH = -log [OH- ]

pH + pOH = 14

Kw = [H+] [OH1- ] = 10-14

Find the pH of a solution of HCl with a 3.7 M

1 Answer example:2.2x10-2

2 Find the pOH of a solution of HCl with a 3.7 M

3 Find the pOH of a solution of NaOH with a 8.7 M

Answer example:2.2x10-2

5/8/2012 Standards: 5 (Acids & Bases) Objectives:●  Be able to perform pH & pOH calcs●  Be able to do dilutions with M1V1a = M2V2bDO NOW: 1. [ H+ ] = 6.6 x 10-6 calculate the pH 2. [ OH- ] = 1.7 x 10-3 calculate the pOH 3. pH = 5.19, calculate [ H+ ] HOMEWORK: 1. p. 614 21 (a-c), 22 (a-d) and p. 621 30-32 (5 pts) 2. CST 51-60 Same directions (5 pts) =======================================================STAMPS: ●  Journal 5/7/12 1. Ch 19.4 PP’s p. 612 20 (a-c) and p. 631-632 87-89 (4 pts) Std 5 2. PRINT Tutorial on Neutralization reactions using

M1V1a = M2V2b (1 pts) Std 5 3. CST 41-50 - Same directions. (5 pts) Std 5

RESPONDERS TODAY

5/9/2012 Standards: 5 (Acids & Bases) Objectives:●  Conduct CST rev w responders ●  Be able to work neutralization problems using M1V1a = M2V2b●  Intro hydrocarbons w SN HWDO NOW: 1. p. 614 22 b 2. p. 621 31 (uses M1V1a = M2V2b )HOMEWORK: 1. CST 61-70 Same Directions (5 pts) 2. SN Ch 22.1 p. 295-298 (5 pts)=====================================================STAMPS:   ●  Journal 5/8 (staple both 1 & 2 separately) 1. Ch 19p. 614 21 (a-c), 22 (a-d) and p. 621 30-32 (5 pts) (BASKET) 2. CST 51-60 Same directions (5 pts) (BLACK TRAY)

RESPONDERS TODAY

CST Review Rules

3 pts ex cr per day you attend if: a. you're here by 12:35 and don't leave before 1:02 b. don't leave early c. sign in and out at appropriate times d. you attend at least 6 times

There will be today, + 8 days left

Take CST 1-10 Today

9

M1V1a = M2V2b

a = subscript of the H1+ in the acid

b = subscript of the OH1- in the base

Find the pH of a solution of HCl with a 3.7 M

4 Answer example:2.2x10-2

5 Find the pOH of a solution of HCl with a 3.7 M

6 Find the pOH of a solution of NaOH with a 8.7 M

Answer example:2.2x10-2

5/10/2012 Standards: 10 (Organic & Biochem) Objectives:●  Intro pH meter lab●  Introduce hydrocarbons●  Be able to name alkanes with 1-10 carbons in the chain, and skeleton equationsDO NOW: 1. Define alkane and substituent (see Ch 22.1, p. 700 & 702) 2. Write the name of all alkanes with 3-5 carbons, and show using all

4 formula types.HOMEWORK: 1. Ch 22.1, p. 705 PP's 1-2 2. Ch 22.1, p. 705 Assess. 3, 4, & 6 (4 pts total for 1 & 2) Std 10 3. PRINT Tutorial - Organic Chem Ch 22 (1 pt) Std 10=========================================================STAMPS:   ●  Journal 5/9 1. SN Ch 22.1 p. 295-298 (5 pts) Std 10 BASKET 2. CST 61-70 Same Directions (5 pts) Std MISC BLACK TRAY

CST Review Rules - lunch

3 pts ex cr per day you attend if: a. you're here by 12:35 and don't leave before 1:02 b. don't leave early c. sign in and out at appropriate times d. you attend at least 6 times

There will be today, + 7 days left

Take CST 11-20 Today

9

Formula types to use with alkanes

Condensed StructuralSee chart p. 700 & 702

CH3CH2CH2CH3

StructuralSee chart p. 702

Molecular C4H10

SkeletonSee bottom p. 703

See chart p. 700

How to name substituents

C-C-C-C-C-C-C

C-C-C-C-C-C-C-C-C

p. 700 for main chain namesp. 702 for substituents

have student move stuff

5/11/2012 Standards: 10 (Organic & Biochem) Objectives:●  Be able to name structures given, and write structure from nameDO NOW: 1. Write structure with skeleton equation for:

3,5,5 triethyl 2 methyl heptane C 2. Name this structure: |

C - C - C - C - C - C - C

| | C - C C

|HOMEWORK: C 1. Organic Chem HW Probs - Sheet 1 25 (a-d), 26 (a-d), 27 (a-e), 28 (a-e)

(5 pts) Std 10 =====================================================STAMPS: ●  Journal 5/10 1. Ch 22.1, p. 705 PP's 1-2 2. Ch 22.1, p. 705 Assess. 3, 4, & 6 (4 pts total for 1 & 2) Std 10 3. PRINT Tutorial - Organic Chem Ch 22 (1 pt) Std 10Staple all together

circle longest chain

students give 3 substituents

Name this hairy monster

Don't do anything until you circle the longest chain.