Chapter 14: Thermodynamics Flashcards

0
Q

The transfer of internal energy

A

Heat

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1
Q

Measurement of an object’s molecular kinetic energy and molecular potential energy

A

Internal energy

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2
Q

Energy of an objects atoms or molecules

A

Thermal energy

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3
Q

Formula for finding newton temperature

A

Tb = Nb/Ntp(273.16K)

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4
Q

Expansion along the line through any solid is called

A

Linear expansion

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5
Q

Linear expansion formula

A

ΔL = αL1ΔT

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6
Q

Area expansion formula

A

ΔA = γA1ΔT

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7
Q

Volume expansion formula

A

ΔV = βV1ΔT

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8
Q

Heat of fusion

A

The amount of heat that must be absorbed per gram to melt a solid

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9
Q

Equation to find the amount of heat absorbed by a melting solid

A

Q = mLf

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10
Q

Equation to find the amount of heat lost by freezing liquid

A

Q = -mLf

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11
Q

Heat of vaporization

A

The amount of energy a liquid absorbs at its boiling point to change into a gas

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12
Q

Process of measuring temperature

A

Thermometry

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13
Q

State at which two objects in contact with one another have the same temperature

A

Thermal equilibrium

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14
Q

The point where the three phases of water are in equilibrium is known as the

A

Triple point of water

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15
Q

Established the Fahrenheit scale

A

Gabriel Daniel Fahrenheit

16
Q

Established the Celsius scale

A

Anders Celsius

17
Q

Established the Kelvin scale

A

William Thompson (i.e. Lord Kelvin)

18
Q

1 calorie is equal to how many joules

19
Q

He required to raise the temperature of a body by one degree

A

Heat capacity

20
Q

The amount of heat required to raise the temperature of the unit mass by 1°

A

Specific heat

21
Q

To convert from Celsius to Fahrenheit

A

Tf = (9/5)Tc + 32

22
Q

Heat required to raise 1 kg of water from 14.5°C to 15.5°C

23
Q

The amount of heat required to raise 1 pound of water from 63°F 64°F

24
One BTU equals how many kilocalories
Approximately one fourth
25
The law of heat exchange states
The amount of heat lost by one body is equal to the amount of heat gained by another
26
The amount of heat that must be absorbed per gram to melt a solid
Heat of fusion
27
The amount of energy and liquid absorb that it's boiling point before changes into a gas
Heat of vaporization
28
Heat of vaporization for water is equal to
2260 J/g
29
The heat of fusion of water is approximately
333 J/g
30
Transfer of heat energy from one part of the body to another
Heat conduction
31
Heat transfer caused by the contact of two molecules
Conduction
32
Heat transfer caused by moving material/waves
Convection
33
Heat transfer caused by the admission of radioactive waves
Radiation