Chemistry (Bolton)

Week 32

Monday 16 April

• go over homework

o p. 433 #3,4,5

o p. 448 #13a,b

o p. 448 #16b:

o Na₂CO_3(aq) + CaCl_2(aq) --> 2NaCl_(aq) + CaCO_3(s)

o AgNO_3(aq) + NaCl_(aq) --> AgCl_(s) + NaNO_3(aq)

o Hg₂Cl_2(aq) + K₂S_(aq) --> HgS_(s) + 2KCl_(aq)

• review molality
• mole fraction
• X = n_i/n
• 8.0 g CH₃OH
• 13.5 g H₂O
• CH₃OH = 32 g/mol
• H₂O = 18 g/mol
• Raoult's Law
• review vapor pressure
• P_SOLUTION = (P₁)_PUREX₁ + (P₂)_PUREX₂ ...
• P_i = (P_i)_PUREX_i
• C14-2 pp. 436-446
• colligative properties (into)
• vapor pressure
• freezing point
• boiling point
• osmotic pressure

Tuesday 17 April

• Colligative Properties
• see pdf notes

· video: AN INCONVENIENT TRUTH

o 1:18 min -> end

Wednesday 18 April

• go over homework

o Hg₂Cl_2(aq) + K₂S_(aq) --> Hg₂S_(s) + 2KCl_(aq)

o Pb(NO₃)_2(aq) + K₂CrO_4(aq) --> PbCrO_4(s) + 2KNO_3(aq)

§ Pb²⁺ NO₃^- K⁺ CrO₄^2-

• Boiling Point Elevation Lab
• notes

Thursday 19 April

• Boiling Point Elevation Lab

Friday 20 April

• practice test
• vocab quiz
• Tuesday: Chapter 14 Test