Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
24 Cards in this Set
- Front
- Back
|
List the attractive forces in order of incresing strength
|
London Dispersion, Dipole-dipole, Hydrogen bonding, Ionic bonding
|
|
|
6 properties of Liquids
|
1. High density (low volume)
2. Incompressability 3. diffusion slower than gas but will eventually slow down and spread out 4. good surface tension 5. Can evaporate and boil 6. Can form a solid (freezing) |
|
|
4 properties of solids
|
1. definate shape and volume
2. definate melting point 3. high density and incompressability 4. low rate of diffusion |
|
|
Super cool liquids
|
liquids that retain liquid properties even when they look solid
|
|
|
Ionic Crystals
|
-Between a non-metal and a metal
-mostly occur 1 & 17 and 2 & 16 -strong, hard, brittle, high melting point |
|
|
Covalent Network
|
-share electrons
-between 2 non metal neighbors -hard, brittle, high melting pt. |
|
|
Metallic Crystals
|
-between metal and another metal
- Electron sea-> good conductors -poor insulators |
|
|
Covalent molecular
|
-covalent bonds, dont have to be neighbors
-polar- strong, diplole dipole -non-polar- weak, london dispersion -soft, weak, low melting pt |
|
|
Sublimation
|
solid-> gas
|
|
|
Melting
|
solid -> liquid
|
|
|
Vaporization
|
liquid -> gas
|
|
|
Freezing
|
liquid -> solid
|
|
|
Condensation
|
gas -> liquid
|
|
|
Deposition
|
gas -> solid
|
|
|
equilibrium vapor pressure
|
The pressure exerted by the vapor, when it falls, temperature falls
|
|
|
Molar heat of vaporization
|
-the amount of heat energy needed to vaporize one molecule of liquid at its bp
-the stronger the attraction > energy required and the higher the molar heat of vaporization |
|
|
molar heat of fusion
|
the amount of heat energy required to melt one mole of solid at it's melting pt.
|
|
|
Critical pressure
|
the lowest pressure that the substance can exist as a liquid at the critical temperature
|
|
|
Critical temperature
|
the temperature above which the substance willnever liquify
|
|
|
Triple point
|
when solid liquid and gas all coexist
|
|
|
properties of water
|
-polar
-dipole-dipole and hydrogen bonding |
|
|
decrease temp
|
towards the heat
|
|
|
increase heat
|
away from the heat
|
|
|
^temp
|
^increase kinetic energy
^ the number of molecules that escape to the vapor phase |
