Lecture3 - Colligative Properties Reading: 11.4 to 11.7 HW:...

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
Colligative Properties Reading: 11.4 to 11.7 HW: Page 531 # 51, 61, 65, 71, 75, 77, 81
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Colligative Properties Properties of the solvent that change upon addition of solute Extent of change depends on number of solute particles in solution (not their identity)
Background image of page 2
Solute Effect on Vapor Pressure
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Raoult’s Law add solute, lower vapor pressure VP sol’n = X solvent * VP solvent
Background image of page 4
At 1.0 atm and 333 K, VP of water is 0.24 atm. 1) Solution VP if 0.20 moles molecular solute added to 1.0 mole water? 2) Solution VP if 0.40 moles molecular solute added to 1.0 mol water?
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Vapor Pressure Lowering Adding a nonvolatile solute lowers the VP of the solution VP Trend? VP Trend? H 2 O 0.1 m C 6 H 12 O 6 (aq) 0.1 m NaCl(aq) 0.1 m NaCl(aq) 0.5 m NaCl (aq) 0.1 m CaCl 2 (aq) 1.0 m NaCl (aq) 0.1 m Na 3 PO 4 (aq)
Background image of page 6
Vapor Pressure Curves
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Phase Diagram - Water
Background image of page 8
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Solute Effect on Freezing Point and Boiling Point FP Depression Solutes lower FP of solution ∆T f = i K f m BP Elevation Solutes raise BP of solution ∆T b = i K b m
Background image of page 10
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 08/26/2011 for the course CHEM 104 taught by Professor Quigley during the Spring '08 term at CUNY Hunter.

Page1 / 21

Lecture3 - Colligative Properties Reading: 11.4 to 11.7 HW:...

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online