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) • HW 1. Due tomorrow: density prelab (back only) 2. Due Wednesday: # 6 & 7 on Dimensional Analysis ws 3. Due Thursday: review problems – see calendar 1/11 4. Quiz Wednesday – sig figs, etc. H. Chem. Agenda 1/13 1. Sig. figs. quiz 2. 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 tomorrow 1. Vocab (on back of calendar) 2. Review sheet 3. P 132 HW (5 Q’s) 4. significant figures ½ sheet 5. Reading measurements sheet – both sides 6. Dimensional analysis 7. Review problems 8. Corrected quiz H. Chem. Agenda 1/15 • Turn in Packet 1. Vocab 2. Review sheet 3. P 132 HW (5 Q’s) 4. significant figures ½ sheet 5. Reading measurements sheet – both sides 6. Dimensional analysis 7. Review problems 8. 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 1/26 1. 2. 3. 4. • Stamp HW/ put packet together Return and review moles quiz Review Mo’ Moles Practice HW 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 •Test tomorrow •Packet due tomorrow 1. Vocab (back of calendar) 2. WS 1 3. WS 2 4. WS 3 & 4 5. Mo’ Moles Practice – corrected 6. Moles Quiz – corrected 7. Text p. 210-211 • (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 H. Chem. Agenda 1/27 • Turn in Packet 1. Vocab (back of calendar) 2. WS 1 3. WS 2 4. WS 3 & 4 5. Mo’ Moles Practice – corrected 6. Moles Quiz – corrected 7. 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 prelab 2. hydrate formulas – due tomorrow w/ prelab 3. Review sheet – due Monday 4. Book project – due March 17 H. Chem. Agenda 2/8 • Turn in hydrate lab • Stamp review HW • Put together packet due tomorrow 1. Vocab 2. P 195 & 212 HW 3. P 212 – 213 HW (31-41) 4. Combustion analysis problems 5. Hydrate problems 6. Unit review problems combustion 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 mass HW: 1. mass to mass & mixed stoichiometry ws 2. 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 KCl 2) 9.80g O2 3) 10.8 g H2 4) 60.8 g NH3 5) 4.2 g AgCl 6) 3.1 g BaCl2 1) 2) 3) 4) 5) 6) • Mixed 1.78 mol NH3 36.4 g H2 40.8 g NaOH 8.1 g H2O 2.24 g Cu 780 g AgNO3 H. Chem. Agenda 2/17 • Stamp HW • Review HW • Limiting reactants • HW: 1. complete limiting reactants ws 2. 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 WS 1. Pb(NO3)2 + 2NaI 2NaNO3 + PbI2 2. NaI is limiting; 8.51 g NaNO3 3. NaI is limiting 4. 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 Answers 1. Na 39.34%, Cl 60.66% 2. K 44.92%, S 18.40%, O 36.72% 3. CH 4. C8H8N2O2 5. 40.8 g NaOH 6. 9.37g HCl 7. Cl2 is limiting reagent 8. 84.6% yield Text p. 313 40) … 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 packet 1. Vocab 2. Stoiciometry – mole to mole/mole to mass 3. Stoichiometry mass to mass/mixed 4. Limiting reagents – 2 sided 5. Unit review 1-6 + p 313 #40-42 6. Book work p 317 #7 & p 310-312 7. Book work p 307 9.9, 308 rvw 5, p 313 • Book check • Do vocab after test • Lab write-up due tomorrow