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 HW: Complete Mo’ Moles Practice

H. Chem. Agenda 1/26 1.Stamp HW/ put packet together 2.Return and review moles quiz 3.Review Mo’ Moles Practice HW 4.More review problems HW: text ch 6, p HW: text ch 6, p – 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? Need help? – this afternoon after school, or tomorrow 7:15 – 7:45 Test tomorrow Test tomorrow Packet due 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

H. Chem. Agenda 1/27 Turn in Packet 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 Moles Test Moles Test HW reminders: 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 #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 – 5 – 7 – 8 a, b – 9 a, b – 10 a, b – 13 b, c, d P 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 O 2 3)10.8 g H 2 4) 60.8 g NH 3 5) 4.2 g AgCl 6) 3.1 g BaCl 2 Mixed Mixed 1)1.78 mol NH 3 2)36.4 g H 2 3)40.8 g NaOH 4)8.1 g H 2 O 5)2.24 g Cu 6)780 g AgNO 3

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.O 2 is limiting reagent – (.0381 mol O 2 vs..520 mol H 2, of which you need 2) 2.Mg(OH) 2 is limiting – (.0991 mol Mg(OH) 2 vs mol HCl, of which you need 2) 3.Cr is limiting; 12g CrCl 3 (or 13g, depending on if you carried numbers through on your calculator) 4.O 2 is limiting; 17.3 g SO 2 5.Cd is limiting; 10.9 g CdS produced

Limiting reactants HW answers Limiting Reagent WS 1.Pb(NO 3 ) 2 + 2NaI  2NaNO 3 + PbI 2 2. NaI is limiting; 8.51 g NaNO 3 3.NaI is limiting g Pb(NO 3 ) 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.C 8 H 8 N 2 O g NaOH g HCl 7.Cl 2 is limiting reagent % yield Text p ) … 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