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heat/energy Flashcards

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1
Q

what is constant in boyles law

A

temperature

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2
Q

is sublimation exothermic or endothermic

A

endothermic

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3
Q

gas to plasma

A

ionization

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4
Q

work was done on an object to life it up against gravity

A

gravitational potential energy

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5
Q

energy that can travel in waves and move through empty space

A

radiant energy

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6
Q

what is friction

A

force that opposes motion between two touching objects

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7
Q

is evaporation exothermic or endothermic

A

endothermic

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8
Q

solid to gas

A

sublimation

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9
Q

condensation is the change from

A

gas to liquid

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10
Q

true or false: pressure can affect phase changes

A

true

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11
Q

energy of an object due to its motion, position, or condition. it is the combined total of potential and kinetic energy of an object.

A

mechanical energy

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12
Q

liquid to solid

A

freezing

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13
Q

energy associated with movement of electrons through a wire or circuit

A

electrical energy

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14
Q

according to boyles law, when an empty water bottle is filled with air with low pressure and is then brought to higher pressure what will happen to the container

A

the bottle will implode because its decreasing in volume

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15
Q

what is boyles law

A

an inverse relationship between pressure and volume when temp. is constant (as pressure increases, volume decreases)

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16
Q

deionization is the change from

A

plasma to gas

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17
Q

at what temperature does oxygen have the greatest kinetic energy

A

500 degrees celcius

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18
Q

potential energy

A

stored energy of an object or material. its the energy that an object has due to its position.

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19
Q

is condensation exothermic or endothermic

A

exothermic

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20
Q

energy of motion. the faster the object moves the more of this energy it has

A

kinetic energy

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21
Q

nuclear energy

A

energy produced when an atom splits apart or when two atoms join to form one atom

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22
Q

what is fusion

A

when two atoms join to make one atom

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23
Q

what is constant in charles law

A

pressure

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24
Q

some furnaces burn coal to heat buildings

A

chemical to thermal

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25
gas to solid
deposition
26
is deposition exothermic or endothermic
exothermic
27
what is the freezing point for water
0 degrees celcius
28
what does the triple point mean
all three phases of matter are existing at once
29
gas to liquid
condensation
30
water is heated until it becomes steam. the pressure of the steam turns a turbine or generator.
thermal to mechanical
31
chemical energy
energy stored in the connections between atoms. as chemical reactions take place to release these connections, this energy is released.
32
describe the particle arraignment of solids
extreme attraction, vibrate in place
33
energy stored in the connections between atoms. as chemical reactions take place to release these connections, this energy is released.
chemical energy
34
what is an insulator
material with a high specific heat capacity
35
evaporation is the change from
liquid to gas
36
what does Q represent in the formula for specific heat capacity
joules (heat energy lost or gained)
37
describe the particle arraignment of gases
little to no attraction, largely spaced
38
radiant energy
energy that can travel in waves and move through empty space
39
what is convection
transfer of heat by the circulation or movement of a liquid or gas
40
the spinning turbine inside a hydroelectric plant generated electricity
mechanical to electrical
41
liquid to gas
evaporation
42
plug a fan into a wall socket. turn on the fan and see the blades begin to spin.
electrical to mechanical
43
what does M represent in the formula for specific heat capacity
gram or kg (mass)
44
deposition is the change from
gas to solid
45
an alarm clock begins to beep and the radio turns on. the display shows its 7:00 a.m.
electrical to sound/light
46
what is the boiling point for water
100 degrees celcius
47
plants use energy from the sun in the process of photosynthesis to manufacture glucose
radiant to chemical
48
what is a conductor
material with a low specific heat capacity
49
plasma to gas
deionization
50
electrical energy
energy associated with movement of electrons through a wire or circuit
51
kinetic energy
energy of motion. the faster the object moves the more of this energy it has
52
sound energy
energy of vibrations carried through solids, liquids, or gases. travels in waves, but cannot move through empty space.
53
what does C represent in the formula for specific heat capacity
J/g(degrees)celsius (specific heat capacity)
54
is deionization exothermic or endothermic
exothermic
55
what is the law of conservation of energy
energy cannot be created or destroyed, only converted into other forms of energy
56
is ionization exothermic or endothermic
endothermic
57
when pressure is constant and the temp. increases, what happens to the volume?
increases
58
describe the particle arraignment of liquids
strong attraction but can slide past each other, close together particles, take up shape of container
59
what is radiation
transfer of energy as magnetic waves
60
solid to liquid
melting
61
is freezing exothermic or endothermic
exothermic
62
what does deltaT represent in the formula for specific heat capacity
change in temp
63
stored energy of an object or material. its the energy that an object has due to its position.
potential energy
64
list the matters from LEAST to MOST kinetic energy
solid, liquid, gas, plasma
65
melting is the change from
solid to liquid
66
when temp. is constant and the pressure increases, what happens to the volume
decreases
67
freezing is the change from
liquid to solid
68
a lamp is plugged into a wall socket. once the lamp is turned on, both light and heat come from the lamp.
electrical to radiant/thermal
69
describe the particle arraignment of plasma
superheated gas, positive and negative particles
70
solar panels placed on the top of a roof use the suns energy to heat water for a swimming pool.
radiant to thermal
71
what is conduction
transfer of energy as heat through contact of materials
72
sublimation is the change from
solid to gas
73
mechanical energy
energy of an object due to its motion, position, or condition. it is the combined total of potential and kinetic energy of an object.
74
is melting exothermic or endothermic
endothermic
75
what is fission
when two atoms split apart
76
energy produced when an atom splits apart or when two atoms join to form one atom
nuclear energy
77
ionization is the change from
gas to plasma
78
what is charles law
a direct relationship between volume and temp. when pressure is constant (as temp increases, volume increases)
79
all energy can change from one of these to another
forms
80
gravitational potential energy
work was done on an object to life it up against gravity
81
energy of vibrations carried through solids, liquids, or gases. travels in waves, but cannot move through empty space.
sound energy
82
what are fluids
gas and liquid
83
what is the formula for specific heat capacity
heat lost or gained= mass * specific heat capacity * change in temp
84
if you increased the velocity of an object how would it effect the KE
KE increases
85
if you increased the mass of an object how would it effect the KE
KE increases
86
why does velocity have a greater effect on KE than mass
its squared

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