Chemistry class agendas Mrs Schultz Mon 918 Fri

Chemistry class agendas Mrs. Schultz Mon 9/18 – Fri 9/22 2017

Mon 9/18 1 st per IB Chem 2 EQ: Determine the concentration of Na. OH(aq) (mol dm-3) when 30. 00 cm 3 of. 200 M HCl(aq) is titrated with Na. OH(aq), the indicator phenolthalein changed from colorless to pink when 60. 00 cm 3 Na. OH(aq) was added. 1. Due: Topic for IA – fill in form and return by Wed. 2. HW: Keep working on WS practice topic 8 Q’s Due this week on Friday 9/22 (Topic 8 test day)

Mon 9/18 2 nd & 4 th per EQ: Convert 55 o. C to Kelvin Convert 298 K to o. C To convert Celsius to Kelvin: o. C + 273 = K 1. Go over HW due: Q’s pg. 70 -72 do #8 -18 2. CW/HW: Q’s pg. 79 -82 do #19 -35

Mon 9/18 3 rd period IB Chem 1 EQ: Describe how you would make 100. 0 cm 3 of a 2. 50 mol dm-3 solution of sodium hydroxide starting with pellets of Na. OH. Back up your explanation with the appropriate calculation. 1. Go over HW: Q’s pg. 45 do #40 -45 2. Notes: Molarity – fill in notes 3. Continue with HW: Exam style Q’s pgs. 51 -53 (due day of topic 1 test – date TBD)

Mon 9/18 5 th & 7 th per Chem PIB-Hon EQ: How many significant digits are in the final answer? Density = mass/volume =300. 0 g/250 m. L = 1. Quiz: 20 elements (S, Ag, Cl, H, Al, Au, Cr, Cu, He, Ne, Si, I, Ca, Fe, O, Ni, Sn, C, Pb, N) 2. Notes: Calculations with scientific notation, SI system, SI conversions 3. HW: Q’s pg. 70 -72 do #8 -18

Elements on the Quiz S Al He Ca Sn Ag Au Ne Fe C Cl Cr Si O Pb H Cu I Ni N

Tues 9/19 2 nd & 4 th per Chem I PIB Honors EQ: How many grams of water are in 35. 76 m. L of water if the density is. 997 g/m. L? 1. Go over HW due: Q’s pg. 79 -82 do #19 -35 2. Lab: Density of two unknown liquids 3. HW: WS density problems

Tues 9/19 3 rd period IB Chem 1 EQ: Calculate the percent of water in Zn. SO 4 2 H 2 O (zinc sulfate dihydrate) 1. Notes: Molarity – fill in notes 2. CW/HW: pre-lab Q’s & data table for lab Wed 3. Continue with HW: Exam style Q’s pgs. 51 -53 (due day of topic 1 test – date TBD)

Wed 9/20 1 st per IB Chem 2 EQ: The Kb value for a base is 5. 0 × 10 -2 mol dm-3 at 298 K. What is the Ka value for its conjugate acid at this temperature? 1. Due: Topic for IA – filled in form 2. Lab: Acid-base titration continued 3. HW: Keep working on WS practice topic 8 Q’s Due this week on Friday 9/22 (Topic 8 test day on Friday. )

Wed 9/20 3 rd period IB Chem 1 EQ: 0. 4000 g of hydrated copper sulfate (Cu. SO 4 x. H 2 O) are dissolved in 100. 0 cm 3 of distilled water. 10. 00 cm 3 of this solution are reacted with excess barium chloride solution. The mass of Ba. SO 4 that forms is 3. 739 x 10 -2 g. Calculate the number of moles of Cu. SO 4 in 0. 4000 g of hydrated copper sulfate & determine the value of x. 1. HW due: pre-lab Q’s & data table (for 3 trials. ) 2. Lab: Water in a hydrate 3. Continue with HW: Exam style Q’s pgs. 51 -53 (due day of topic 1 test – date TBD)

Wed 9/20 5 th & 7 th per Chem I PIB Honors EQ: How many grams of water are in 35. 76 m. L of water if the density is. 997 g/m. L? 1. Go over HW due: Q’s pg. 70 -72 do #8 -18 2. Lab: Density of two unknown liquids 3. HW: WS density problems

Thurs 9/21 2 nd & 4 th per Chem I PIB Honors EQ: Gold has a density of 19. 3 g/cm 3. What is the density in kilograms per cubic meter? 1. Go over HW due: WS density problems 2. Notes: Derived units 3. Review Q’s 4. HW: Q’s pg. 86 -91 #36 -55

Thurs 9/21 3 rd period IB Chem 1 EQ: no question – today is activity period 1. Continue with Lab: Water in a hydrate on Friday 2. Notes: Fill-in continued… 3. Continue with HW: Exam style Q’s pgs. 51 -53 (due day of topic 1 test – date TBD)

Fri 9/22 1 st per EQ: Which acid is the strongest? • H 2 O H 3 O+ HF HC 2 H 3 O 2 IB Chem 2 NH 4+ 1. Due: Lab - Acid-base titration 2. Review for test (go over Q’s? , remotes? , videos? ) 3. HW: WS practice topic 8 (52 Q’s) Due Monday 9/25 (Topic 8 test day on Monday. )

Fri 9/22 3 rd period IB Chem 1 EQ: no question today – complete lab trials today 1. Finish Lab: Water in a hydrate 2. Continue with HW: Exam style Q’s pgs. 51 -53 (due day of topic 1 test – date TBD) 3. Test on Tuesday 9/26 for topic 1

Fri 9/22 5 th & 7 th per Chem I PIB Honors EQ: Gold has a density of 19. 3 g/cm 3. What is the density in kilograms per cubic meter? 1. Go over HW due: WS density problems 2. Notes: Derived units 3. Review Q’s 4. HW: Q’s pg. 86 -91 #36 -55