Lecture_18

Lecture_18 - CHM 115 Lecture 18 Colligative Properties...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
1 CHM 115 Lecture 18 Colligative Properties Reading: pp. 672-686
Background image of page 1

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

View Full DocumentRight Arrow Icon
2 As a solution freezes the solute may remain in the unfrozen solvent. This is the case with sea water, the salt stays in the unfrozen water. Where did explorers who walked to the North Pole get drinking water? Ice
Background image of page 2
3 Colligative Properties Solutions homogeneous, mixed at the atomic/molecular scale Solubility (moles of solute / L of solvent, etc) Affected/determined by IMF’s Phases All combinations of sol/liq/gas. (gas in liq, liq in liq, for example, no liquid/solid in gas) Energy Considerations Energy to separate components, energy from mixing, entropy Colligative Properties Solution properties DIFFERENT than properties of the individual components.
Background image of page 3

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

View Full DocumentRight Arrow Icon
Colligative Properties Properties that are affected by the number of solute particles (atoms, molecules or ions ) in the solution, regardless of type. Vapor Pressure
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 27

Lecture_18 - CHM 115 Lecture 18 Colligative Properties...

This preview shows document pages 1 - 5. Sign up to view the full document.

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