Chem Test Review
5.0(2)
Studied by 142 people5.0(2)
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt PlayCard Sorting
1/29
Earn XP
Description and Tags
Study Analytics
Name | Mastery | Learn | Test | Matching | Spaced |
|---|
No study sessions yet.
30 Terms
1
New cards
kinetic theory
all particles of matter are constantly in motion
2
New cards
elastic
collisons between gas particles are ____ , meaning that no kinetic energy is lost during transfer.
3
New cards
evaporation
the change of state from a liquid to a gas below a substances boiling point
4
New cards
no definite
gases have are assumed to have ___ volume because the particles are very tiny and far away from each other
5
New cards
no
gas particles have ___ attractive forces between them unlike solids and liquids.
6
New cards
random walk
the movement of gas particles is described as ____, meaning that the particles move in a straight line, collide and change directions.
7
New cards
motion
kinetic energy is the energy of ____.
8
New cards
gas
Particles in which state usually have the highest kinetic energy?
9
New cards
collisons
What is gas pressure caused by?
10
New cards
zero
in a vacuum, the gas pressure would be ___.
11
New cards
lower
at higher altitudes, the atmospheric pressure is ____.
12
New cards
760
What is the standard pressure for mmHg?
13
New cards
barometer
What device is used to measure atmospheric pressure?
14
New cards
no
Gas particles are said to have ____ volume and shape.
15
New cards
423 K
150 degrees C is equal to
16
New cards
The ability to flow
___ is due to liquid particles sliding past each other.
17
New cards
imcompressible
liquids are ____ meaning that an increase in pressure will not significantly affect their volume.
18
New cards
decrease
as the temperature of a liquid decreases, the rate of evaporation of that liquid will _____.
19
New cards
highest kinetic energy
evaporation is a cooling process because the particles with the ___ are removed from the substance.
20
New cards
equlibrium
when the rate of evaporation equals the rate of condensation in a closed container
21
New cards
absolute zero
a temperature when all motion stops
22
New cards
\-273 K
absolute zero is equal to
23
New cards
no, definite
a liquid has ___ shape and _ volume
24
New cards
normal boiling point
the temperature at which the vapor pressure of the liquid is equal to standard pressure
25
New cards
freezing point
the temperature at which liquid changed to a soild
26
New cards
sublimation
a change in state from solid directly to gas
27
New cards
ionic
solids that tend to have much higher melting points because of the strong attraction between particles
28
New cards
phase diagram
gives information of the state of a substance its temperature and particle
29
New cards
definite
solids have ____ shape and volume
30
New cards
triple point
the one temperature/pressure combination in which all 3 states of a substance are in equilibrium with each other.
Note 
Flashcards (30)