Characteristics of Gases Flashcards
1
Q
air
A
mostly nitrogen
2
Q
gases @room temp
A
noble gases (non-metallic elements) H2, F2, CI2,
3
Q
Vapors
A
gaseous state in ordinary conditions
4
Q
H20
A
liquid water, solid ice, water vapor (different states)
5
Q
Gases are _________
A
fluids
6
Q
Define Fluids
A
molecules move freely past each other (random directions)
7
Q
Gas Molecule characteristic
A
less attraction, spaced far, move @high speeds
8
Q
Liquids molecules
A
Liquids, intermolecular forces hold each other
9
Q
gases are_______
A
are compressible, they have no fixed volume
10
Q
Gases volume ___________
A
volume = volume of container, “expands”
11
Q
Compressibility of gas
A
Compressed; pressure applied, volume decreases
12
Q
Liquids
A
not really compressible, it’s volume doesn’t expand
13
Q
Gas molecules are
A
far apart
14
Q
Liquid molecules
A
are close
