Ch 8 Student Notes

Ch 8 Student Notes - 1 Chapter 8 Gas Solutions Liquid Solid...

Info iconThis preview shows pages 1–15. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Chapter 8 Solutions Gas Liquid Solid
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 Ch 8.1 Characteristics of Solutions A solution is a ________________ mixture Two or more substances; each retains its own identity Composition can vary Properties can vary with ____________ Uniform properties throughout One visible phase Can be separated by ___________ means
Background image of page 2
3 Solvent __________ quantity same phase as solution Solute __________ quantity material dissolved in solvent Figure 8.1 colored crystals (solute) dissolve in clear liquid (solvent) to produce a solution.
Background image of page 3

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

View Full DocumentRight Arrow Icon
4 Ch 8.2 Solubility is the maximum amount of solute that will dissolve in a given amount of solvent under a given set of conditions. Factors affecting solubility ___________ of solute & solvent Temperature Pressure (in case of gases) Presence of other _________
Background image of page 4
5 Most solids become ________ soluble in water with increasing temperature. Table 8.1
Background image of page 5

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

View Full DocumentRight Arrow Icon
6 The solubility of a gas in water ____________ with increasing temperature. Fish kill as a result of oxygen depletion.
Background image of page 6
7 Effect of Pressure on Solubility of Gases Henry’s Law The amount of a gas that will dissolve in a liquid at a given temperature is directly proportional to the ___________ pressure of the gas above the liquid. William Henry 1775-1836
Background image of page 7

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

View Full DocumentRight Arrow Icon
8 The larger oxygen partial pressure in an oxygen-enriched mixture translates into increased oxygen uptake.
Background image of page 8
9 Decompression Sickness (divers' disease, the bends or caisson disease) describes a condition arising from dissolved gases coming out of solution into bubbles inside the body on depressurization. Most commonly a type of scuba diving hazard but may be experienced in caisson working, flying in unpressurised aircraft, and extra-vehicular activity from spacecraft. Scuba divers making a decompression stop Decompression chambers.
Background image of page 9

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

View Full DocumentRight Arrow Icon
10 A saturated solution contains the _________ amount of solute that can be dissolved under a given set of conditions. Figure 8.3 In a saturated solution, the dissolved solute is in dynamic equilibrium with undissolved solute . Example: dissociation NaCl(s) + H 2 O( l ) Na + (aq) + Cl - (aq) ____________
Background image of page 10
11 A supersaturated solution is an unstable solution that temporarily contains more dissolved solute than that present in a saturated solution. It will produce crystals rapidly, often in a dramatic manner, if it is slightly disturbed or if it is “______” with a tiny crystal of solute.
Background image of page 11

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

View Full DocumentRight Arrow Icon
12 Unsaturated solution contains ________ than the maximum amount of solute Concentrated solution contains a large amount of solute relative to the amount that could dissolve Dilute solution contains a _______ amount of solute relative to the amount that could dissolve
Background image of page 12
13 Ch 8.3 Solution Formation Fig. 8.5 An ionic compound dissolves in H 2 O to form _______ ions.
Background image of page 13

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

View Full DocumentRight Arrow Icon
14 Energy is needed to overcome ____________ forces : Attraction between solute particles (ionic bonds for ionic compounds) Attraction between solvent particles (hydrogen- bonding for water molecules) Energy is released from the solvation of the ions. The overall process can be
Background image of page 14
Image of page 15
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 06/03/2011 for the course CHM 123 taught by Professor Woodward during the Fall '08 term at Ohio State.

Page1 / 53

Ch 8 Student Notes - 1 Chapter 8 Gas Solutions Liquid Solid...

This preview shows document pages 1 - 15. Sign up to view the full document.

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