Chemistry class agenda Starting Mon Aug 14, 2017

Mon 8/14 1st period Essential Question: Calculate the pH of the following at 298 K: 0.10 mol dm-3 NaOH(aq) B) 0.15 mol dm-3 H2SO4(aq) Due HW & go over? Q’s pgs. 318-319 do #10-13 Video: Acids & bases (Thornley) finish – take notes for the rest HW: Q’s pgs. 318-319 do #14-17

Mon 8/14 2nd, 4th, 5th, 7th period EQ: Explain the proper procedure when heating a liquid in a test tube. Due CW: Lab Map & HW: WS Classify observations as qualitative or quantitative Review lab rules CW: Lab equipment & uses HW: safety contract signed by parent

Mon 8/14 3rd period Essential Question: How many moles of potassium bromide are formed when 5.0 moles of bromine reacts with excess potassium? K(s) + Br2(l)  KBr(s) Due: HW: Q’s for Ch 8 sec 2 pg. 264/284 Notes: Mol-mol problems, mass-mass problems 3. HW: Q’s pg. 287/ 311 (Ch 9 sec 2)

Tues 8/15 2nd & 4th period Essential Question: Determine which area of science studies matter. Due HW: signed safety contract Notes: Branches of Chemistry CW: Lab equipment: name, sketch a picture, & general uses HW: WS Lab equipment crossword *4th period: please put up your stool at the end of class.

Lab equipment Well Plate Utility Clamp (buret/test tube clamp) Ring Stand Crucible & Cover Erlenmyer Flask Beaker Graduated Cylinder Evaporation Dish Round Bottomed Flask (Florence) Funnel Mortar & Pestle Bunsen Burner Watch Glass Ring Clamp (aka: Iron Ring) Clay Triangle (aka: pipe-stem triangle) Scoopula Spatula Pipette Fire Screen (aka: wire gauze) Test Tube Rack Test Tube Holder Test Tube Glass Stir Rod w/rubber policeman Beaker Tongs Crucible Tongs Wash Bottle and forceps

Tues 8/15 3rd period Essential Question: Determine the mass of sodium chloride produced when 12.2 grams of sodium reacts with excess chlorine gas. Due: HW: Q’s pg. 287/ 311 (Ch 9 sec. 2) Notes: Stoichiometry continued HW: Q’s pg. 294 red or 318 blue (Ch 9 sec. 3)

Wed 8/16 1st period Essential Question: The pH of a solution of 0.0100 mol dm-3 HCl is 2. A 10 cm3 sample of the acid is measured out and distilled water added to dilute it to a total volume of 100 cm3. How do the hydrogen ion concentration and the pH change as this solution is diluted? Due HW & go over? Q’s pgs. 319 do #14-17 Video: Acids & bases (Thornley) finish – take notes for the rest HW: Q’s pg. 324 #18-20

Wed 8/16 3rd period Essential Question: Boron can be prepared by reacting B2O3 with magnesium at high temperatures: B2O3 + Mg  B + MgO What mass of boron is obtained if 0.75 g B2O3 are reacted with 0.50 g magnesium? Due: HW: Q’s pg. 294 red or 318 blue (Ch 9 sec. 3) Notes: Stoichiometry continued HW: Q’s pg. 297/321 do #22, 25, & 26

Wed 8/16 5th & 7th period Essential Question: Determine which area of science studies matter. Due HW: signed safety contract Notes: Branches of Chemistry CW: Lab equipment: name, sketch a picture, & general uses HW: WS Lab equipment crossword *7th period: please put up your stool at the end of class.

Thurs 8/17 2nd & 4th period Essential Question: Identify: Due HW: WS Lab equipment crossword And lab equipment (3 column notes for 27 items) Notes: Matter & its properties CW: Workbook pages 1- 4 HW: Workbook pages 13-16 *4th period: please put up your stool at the end of class.

Thurs 8/17 3rd period Essential Question: Find the mass of sugar (C6H12O6) required to produce 1.82 L of carbon dioxide. (1 mole of gas = 22.7 liters or dm3) C6H12O6  2C2H6O + 2CO2 Due: HW: Q’s pg. 297/321 do #22, 25, & 26 CW: Practice Quiz HW: WS practice problems Quiz on Friday (tomorrow)

Fri 8/17 1st period Essential Question: What does the term anthropogenic mean? Due HW & go over? Q’s pgs. 324 do #18-20 Video: Acids & bases (Thornley) part 3 Notes: Topic 8 continued HW: Q’s pg. 327 do #21 & 22

Fri 8/18 5th & 7th period Essential Question: Identify: Due HW: WS Lab equipment crossword And lab equipment (3 column notes for 27 items) Notes: Matter & its properties CW: Workbook pages 1- 4 HW: Workbook pages 13-16 *7th period: please put up your stool at the end of class.

Fri 8/18 3rd period Essential Question: : How many grams of chlorine are required to react completely with 5.00 moles of sodium to produce sodium chloride? 2 Na + Cl2  2 NaCl Due: HW: WS practice problems & practice quiz Quiz Turn in Modern Chemistry book HW: Cambridge Chemistry book pg. 11 do #5

Mole-Mass Conversions Example: How many grams of chlorine are required to react completely with 5.00 moles of sodium to produce sodium chloride? 2 Na + Cl2  2 NaCl 5.00 moles Na 1 mol Cl2 70.90g Cl2 2 mol Na 1 mol Cl2 = 177g Cl2