Honors Chemistry B Agenda

Honors Chemistry B Agenda

11/5 Happy New Year!

• attendance• Calendar• Materials needed from last semester– Periodic table– Ions lists– Naming rules: flow chart, guidelines, notes– Book project info

• Transcripts / work on review sheet

H Chem. Agenda 1/6

• Stamp & check review sheet• SI units review• Scientific notation - p 128• HW: p.132 section review Q’s 1-5

H. Chem. Agenda 1/7

• Stamp and review homework• New material (text Ch. 5.2):– Uncertainty in measurement,– significant figures, – rounding, – calculations.

• HW: – significant figures ½ sheet– Reading measurements sheet – both sides

H. Chem. Agenda 1/11• Stamp and review ½ sheet & measurement sheet• Temp conversions Celsius to (Kelvin p. 150)• Density (p. 159)• Specific gravity (p. 161)• Unit conversions (dimensional analysis)• HW1. Due tomorrow: density prelab (back only)2. Due Wednesday: # 6 & 7 on Dimensional Analysis ws3. Due Thursday: review problems – see calendar 1/114. Quiz Wednesday – sig figs, etc.

H. Chem. Agenda 1/13

1. Sig. figs. quiz2. Stamp and go over HW

(Dimensional analysis # 6 & 7)3. Discuss lab (due tomorrow)4. Time to work on textbook work (see

calendar), due Thursday

H. Chem. Agenda 1/14• Turn in density labs• Stamp HW• Review quiz• Review HW• Test tomorrow• Packet due tomorrow1. Vocab (on back of calendar)2. Review sheet3. P 132 HW (5 Q’s)4. significant figures ½ sheet5. Reading measurements sheet – both sides6. Dimensional analysis7. Review problems8. Corrected quiz

H. Chem. Agenda 1/15• Turn in Packet1. Vocab2. Review sheet3. P 132 HW (5 Q’s)4. significant figures ½ sheet5. Reading measurements sheet – both sides6. Dimensional analysis7. Review problems8. Corrected quiz

• Test• Have a great 3-day weekend!

H. Chem. Agenda 1/19

• Review dimensional analysis• HW: Complete w.s.

H. Chem. Agenda 1/20

• Stamp HW• Pretest• Test scores: scantron x 3 + free response• Moles & Avogadro’s number• Gram formula mass• HW: complete worksheet 1 – both sides

H. Chem. Agenda 1/21

• Stamp and rvw HW• Assign mole project• Moles to mass conversions• Particles to mass conversions (go through

moles)• HW: – complete ws 2 – side 1 only (side 2 for more

practice if you want)– Complete ws 3 – both sides– Mole project - due 2/3 – get it?

H. Chem. Agenda 1/25

• Turn in Mole/Mass/Particle/Volume Relationship lab

• Moles quiz• Chalk lab – do and turn in• Mo’ Moles Practice• HW: Complete Mo’ Moles Practice

H. Chem. Agenda 1/261. Stamp HW/ put packet together2. Return and review moles quiz3. Review Mo’ Moles Practice HW4. More review problems• HW: text ch 6, p 210-211

– 14 - 16 a & c– 20 c & e– 21 a– 22 a– 23 – 25 a & c– 26 a & c

• (all answers are in back of book – check your work as you go along)• Need help?

– this afternoon after school, or tomorrow 7:15 – 7:45

•Test tomorrow•Packet due tomorrow

1. Vocab (back of calendar)2. WS 13. WS 24. WS 3 & 45. Mo’ Moles Practice –

corrected6. Moles Quiz –

corrected7. Text p. 210-211

H. Chem. Agenda 1/27• Turn in Packet

1. Vocab (back of calendar)

2. WS 13. WS 24. WS 3 & 45. Mo’ Moles Practice – corrected6. Moles Quiz – corrected7. Text p. 210-211

• Moles Test• HW reminders: – Mole project due 2/3 (next Wed.)– Book project due 3/17 (St. Patrick’s Day)

H. Chem. Agenda 1/28• Test return• Percent composition by mass• HW: –p. 195 • #1 – 3

–P. 212 • #27 a,c,e,g• #28 a,c,e,g

H. Chem. Agenda 1/29

• Stamp HW & review• Empirical formulas• HW: • Text p. 212-3• #31, 33 a&c, 36, 37, 39, 41

H. Chem. Agenda 2/1• Stamp HW• February calendar • Calculation of molecular formulas 6.3• Combustion analysis• Lab in Ms. Perkerson’s room tomorrow– Wear closed toed shoes & bring ponytail holder

• HW: – Determination of an Empirical Formula prelab– Combustion analysis problems – due Wednesday– Mole project due Wednesday– Book project due 3/17

H. Chem. Agenda 2/4• Turn in empirical formula lab• Returns and handouts• Determining Hydrate formulas• Test next Tuesday• HW: 1. Hydrate prelab2. hydrate formulas – due tomorrow w/ prelab3. Review sheet – due Monday4. Book project – due March 17

H. Chem. Agenda 2/8• Turn in hydrate lab• Stamp review HW• Put together packet due tomorrow1. Vocab2. P 195 & 212 HW3. P 212 – 213 HW (31-41)4. Combustion analysis problems5. Hydrate problems6. Unit review problemscombustion analysis

H. Chem. Agenda 2/9

• Turn in packet• Moles test

H. Chem. Agenda 2/10

• Take your moles – they were great – thanks!• No test return today – sorry • Stoichiometry pretest• Stoichiometry lesson – Mole to mole– Mole to mass

• HW: complete stoichiometry ws

H. Chem. Agenda 2/11

• Stamp HW• Stoichiometry mass to massHW: 1. mass to mass & mixed stoichiometry ws2. Chem rx mole ratio pre-lab

H. Chem. Agenda 2/12

• Stamp and check HW• Mo’ stoichiometry

practice from text• P. 317 #7• P. 310-312

– 5– 7– 8 a, b– 9 a, b– 10 a, b– 13 b, c , d

• P 310-312 cont’d– 15 a,b– 16 a– 17– 18– 20– 21– 25– 28

• This and Prelab due Tuesday

Stoichiometry 2/11 HW answers• Mass to mass

1)15.2 g KCl2)9.80g O2

3)10.8 g H2

4) 60.8 g NH3

5) 4.2 g AgCl6) 3.1 g BaCl2

• Mixed1) 1.78 mol NH3

2) 36.4 g H2

3) 40.8 g NaOH4) 8.1 g H2O

5) 2.24 g Cu6) 780 g AgNO3

H. Chem. Agenda 2/17

• Stamp HW• Review HW• Limiting reactants• HW: 1. complete limiting reactants ws2. Complete yesterday’s lab write-up – – no formal conclusion or ESOE’s req’d

H. Chem. Agenda 2/18• Turn in Mole Ratio lab• Science course selection• Stamp and rvw limiting reactants HW• % yield• HW: – p. 312 # 40, 41, 42– review sheet – due tomorrow

• Coming up: 1. Friday - review, 2. Monday - % yield Lab, 3. Tuesday - test

Limiting reactants HW answers• Limiting Reagents: Show ALL Work!!1. O2 is limiting reagent – (.0381 mol O2 vs. .520 mol H2, of which you need 2)

2. Mg(OH)2 is limiting– (.0991 mol Mg(OH)2 vs. .3522 mol HCl, of which you need

2)

3. Cr is limiting; 12g CrCl3 (or 13g, depending on if you carried numbers through on your calculator)

4. O2 is limiting; 17.3 g SO2

5. Cd is limiting; 10.9 g CdS produced

Limiting reactants HW answers

Limiting Reagent WS1. Pb(NO3)2 + 2NaI 2NaNO3 + PbI2

2. NaI is limiting; 8.51 g NaNO3

3. NaI is limiting4. 8.4 g Pb(NO3)2 excess

H. Chem Agenda 2/19

• Turn in course selection sheet, if ready• Stamp and review HW• More review problems• HW: complete pre-lab write-up

Stoichiometry Review Answers1. Na 39.34%, Cl 60.66%2. K 44.92%, S 18.40%, O 36.72%3. CH4. C8H8N2O2

5. 40.8 g NaOH6. 9.37g HCl7. Cl2 is limiting reagent

8. 84.6% yieldText p. 31340) …41)…42) 85.4% yield

More Review Practice

• P. 307 Practice problem 9.9• P. 308 #5• P 313 For each of following problems, also

determine mass of excess reactant.

34 c, 35 a, 36 c

Complete prelab

H. Chem Agenda 2/23• Stoichiometry packet1. Vocab2. Stoiciometry – mole to mole/mole to mass3. Stoichiometry mass to mass/mixed4. Limiting reagents – 2 sided5. Unit review 1-6 + p 313 #40-426. Book work p 317 #7 & p 310-3127. Book work p 307 9.9, 308 rvw 5, p 313• Book check• Do vocab after test• Lab write-up due tomorrow

H. Chem Agenda 2/25

• Stamp and check HW• Dilution• HW: x-word ws (both sides) & Molarity by

Dilution ¼ sheet

Answers to Molarity/Molality

• Molarity1) .99 M2) .118 M3) 101 g KNO3

4) .27 L5) 2.5 g

• Molality1) 2.0 m2) .22 m3) .12 m4) 3.8 g I2

5) 134 mL

H. Chem Agenda 3/2

• Stamp HW – Molarity by Dilution– Solubility curves – two sides– Solutions lab station 6

• Review HW & lab• Test moved to Thursday

Molarity by Dilution answers

1. .0833 L = 83.3 mL sulfuric acid2. 17 mL HCl3. 130 mL4. 150 mL H2O

5. 1200 mL H2O = 1.2 L H2O