{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Chem 115 Lecture_17

Chem 115 Lecture_17 - /22/07 Solutions Reading Sections...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
Lecture 17, 11/22/07 Solutions Reading: Sections 9.8 (part), pp. 408-412; Section 13.2-13.4, pp. 591-606; Section 5.8, pp. 205-212; Section14.1-14.2, pp. 658-668 Lab: Where’s the iron?
Background image of page 1

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

View Full Document Right Arrow Icon
Formation of Solutions Ethanol with water. Ethanol: Shake
Background image of page 2
Formation of Solutions Ethanol with water: _Potential for disorder increase _ and _delta E is negative_ (exothermic dissolution), both H 2 O and ethanol form hydrogen bonds
Background image of page 3

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

View Full Document Right Arrow Icon
Formation of Solutions Break dispersion forces & H-bonds in ehtanol Break dspersion forces & H-Bonds in H2O ____________________ ____________________
Background image of page 4
Formation of Solutions Shake What will happen if we add dichloromethane to water?
Background image of page 5

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

View Full Document Right Arrow Icon
Formation of Solutions Dichloromethane with water: Potential increases. Delta E is Unfavorable. (Break strong H ····O make weak Cl ····O, etc.)
Background image of page 6
Enthalpy of Solvation
Background image of page 7

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

View Full Document Right Arrow Icon
Formation of Solutions “Like dissolves like.” Here we mean solvents & solutes with similar intermolecular forces.
Background image of page 8
Solutions of Solids I 2 is a solid composed of non-polar molecules. Is it soluble in: Dichloromethane? Water?
Background image of page 9

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

View Full Document Right Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}