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states of matter Flashcards | StudBud
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states of matter
states of matter
42 terms
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science 9 first hour
Flashcards
42 cards
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Questions
42
Answers
1
how many sigfigs, 30.00
2
4
1
3
2
melting point definition is......
gas directly to a solid
the temperature which a solid turns into a liquid depends on the pressure
solid to a gas (carbon dioxide)
the temp where a liquid boils
3
rate attration between atoms. Solids 1-least 3- most
4
2
1
3
4
Density
density of an object is calculated by dividing the objects volume by mass
Density of an object is calculated by dividing object's mass by the volume
5
freezing point definition
the temperature where liquid boils
where freezing a melting occur at the same temp
the temperature where a solid turns into a liquid
gas turns into a liquid
6
What states of matter change shape??
gas and liquids
liquids and solids
just solids
solids and gas
7
What is fluid??
a solid form
nonsolid state of matter
8
Heat of fusion means the amount of heat energy required to change a solid into a liquid
False
True
9
what is the formula for density
grams/centimeters
volume/grams
grams/centimeters
mass/volume
10
All particals of matter have kinetic energy
False
True
11
thermal energy
average
median
mode
total
12
Plasma conducts electrical current
True
False
13
Temperature is....
the total kinetic energy of the particles
depends on particle speed and the number of particles
a measure of the average kinetic energy of particles in an object
14
round according to sigfigs. 4.5m x 8m=
40mm
40
40m squared
40mm squared
15
what is a gas??
definite shape and volume
change in shape not volume
change in shape and volume
16
What is plasma?
all positive
some negative and some positive
all negatives
17
what kind of atom model is this???
solid
gas
liquid
18
Energy
all particles of matter have kinetic energy
total of kinetic energy
The ability of change or move matter, or to do work
the energy of motion
19
deposition means.....
liquid to a gas
gas to a liquid
gas directly to a solid (release of energy)
20
what is a solid???
definite shape, and volume
change shape but not volume
no shape, no volume
21
rate the kinetic energy of atoms. Gas 1- least 3- most
1
2
3
4
22
what is a liquid?
change in volume
change in shape
change shape, not volume
23
Heat of Vaporization
solid to gas
amount of heat energy required to change a solid into a liquid
the amount of heat needed to change from a liquid to gas
24
Does the temperature stay constint during the changes of state
False
True
25
definition of kinetic
made out of atoms and molecules
the moving of ions and electrons
relating to or resulting from motion
conducts electrical current
26
thermal energy depends on partical speed and number of particals
True
False
27
When multiplying you round to the least sigfig
True
False
28
how many significant figures, 0.0912
4
3
5
1
29
Kinetic Theory
everything is made out of atoms and molecules, not always in motion
everything is made out of just molecules, always in motion
everything is made out of atoms and molecules , always in motion
everything is made out of just atoms, not always in motion
30
The boiling point is where water begins to evaporate
True
False
31
examples of plasma
water
aurora borealis
chalk
32
boiling point definition is.....
gas to a liquid
the temperature where a liquid boils
33
How many significant figures does this have, 100
1
3
2
34
what is plasma
state of matter that consists of not moving and steady ions and electrons
state of matter that consists of free, moving ions and electrons
35
what are density units
g/mL
cm cubed
grams
g/cm cubed
36
What do you use when rounding sigfigs/ precision
adding/subtracting you use the least precision
multiplying/dividing you use least precision
multiplying/dividing you do nothing and just leave it
adding/subtracting you use least sigfig
37
rate the kinetic energy of atoms. Liquids 1- least 3- most
3
2
1
4
38
what does sublimation mean
a solid to a gas (dry ice)
gas directly to a solid
gas to a liquid
39
Evaporation
occurs on top
occurs throughout the whole container of water
occurs on the top and in the whole container
40
Evaporation happens throughout the entire container of water
True
False
41
condensation means
temperature where liquid boils
water vapor in the air is changed into liquid water
the temp where a solid turns into a liquid
42
Kinetic Energy
the ability to change matter
the energy of motion
the abillity to move matter
