Chemistry (Bolton)

Week 26

 

Monday 5 March

á             Molar Volume Lab Practical

o           exam

o           you can work together as a group on calculations

o           each person types their own name and group data into the computer

¤             Double check for errors!

á             correct data entry is part of properly doing a lab

o           DUE TUESDAY

á             period seven

o           new assigned seating

o           get pennies from zinc-penny labs

¤             clean beakers

o           video: Sneezing Baby Panda (misc)

o           video: Sleepy Baby Sloth (misc)

o           Atomic Bingo

 

Tuesday 6 March

á             collect Molar Volume Lab

á             C12-1 pp. 363-366

o           p. 363, read intro

o           fluid

o           liquid

o           surface tension

o           videos:

¤             water_sphere_in_space.flv (gensci)

¤             slomo_waterballooninspace.wmv (slo-mo)

o           capillary action

o           vaporization

o           evaporation

o           boiling

o           water_vapor_pressure_goff-gratch.pl

¤             20 oC, 50 oC, 80 oC, 90 oC, 100oC

o           freezing

o           p. 365, figure 12-4

¤             paper chromatography

á             polar solvent attracted to polar cellulose fibers

á             water-soluble ink travels with solvent

á             speed of ink molecules determined by:

o           solubility in solvent

o           attraction to paper

o           due to

¤             size

¤             mass

¤             complexity of shape (tangles)

¤             charge distribution

á             Paper Chromatography Lab

o           pp. 828-829

o           read intro paragraphs

á             homework

o           Chapter Eleven Vocab Quiz Thursday

o           read pp. 363-366

o           p. 366 #1, 2, 3, 4, 5 (in notes)

 

Wednesday 7 March

á             review & go over homework

á             C12-2 pp. 367-71

o           crystalline solids

o           crystal

o           amorphous solid

o           melting

o           melting point

o           supercooled liquids

o           crystal structure

o           unit cell

o           ionic crystals

o           covalent network crystals

o           metallic crystals

o           covalent molecular crystals

o           amorphous

á             Syringe Boiling Water Demo

á             homework

o           read pp. 367-371

o           p. 371 #1, 2, 3, 4 (in notes)

 

Thursday 8 March

á             Chapter Eleven Vocab Quiz

á             review & go over homework

á             C12-3 pp. 372-382

o           equilibrium

o           phase

¤             p. 372, Table 12-2

o           condensation

o           Le Chatelier's Principle

¤             e.g. 5g ice -> 2g water

¤             p. 375, Table 12-3

o           equilibrium vapor pressure

o           volatile liquids

o           boiling

o           boiling point

o           molar heat of vaporization

o           freezing point

o           molar heat of fusion

o           sublimation

o           deposition

o           phase diagram

o           triple point

¤             video: water_triple_point.flv (chem)

o           critical point

o           critical temperature

o           critical pressure

á             homework

o           read pp. 372-382

o           p. 382 #1-7 (in notes)

 

Friday 9 March

á             review & go over homework

á             C12-4 pp. 384-386

á             videos:

o           milk_exp_1.flv (chem)

o           milk_exp_1.flv (chem)

á             Surface Tension Demo

á             homework

o           read pp. 384-386

o           p. 386 #1-4 (in notes)

á             video: EVEREST, The Death Zone

o           beginning -> 17 min/22:40