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Thermodynamics 1 (IPE) > Terms > Flashcards

Terms Flashcards

1
Q

The branch of physical science that deals with the various phenomena of energy and the related properties of matter, especially of the laws of transformation of heat into other forms of energy and vice verse

A

Thermodynamics

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2
Q

From “thermo” (meaning heat) and “dynamics” (work).

A

Thermodynamics

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3
Q

A word that means heat

A

Thermo

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4
Q

A word that means work

A

Dynamics

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5
Q

a fluid in which energy can be stored and from which energy can be removed

A

Working Substance

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6
Q

liquid, gas, or vapor that offers little resistance to deformation

A

Fluid

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7
Q

the quantity of matter with a certain volume in space chosen for study

A

System

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8
Q

the mass or region outside the system

A

Surrounding

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9
Q

a real or imaginary surface that separates the system from its surrounding

A

Boundary

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10
Q

It can either be fixed or movable

A

Boundary

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11
Q

a thermodynamic system there is no transfer of matter across the boundary, only energy like heat and work

A

Closed System

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12
Q

a thermodynamic system where energy and matter can cross the control surface

A

Open System

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13
Q

a thermodynamic system where neither mass nor energy crosses the boundaries and it is not influenced by the surrounding

A

Isolated System

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14
Q

pertains to a law of thermodynamics where energy can neither be created nor destroyed, It can only change form

A

First Law of Thermodynamics or Law of Conservation of Energy

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15
Q

pertains to a law of thermodynamics where the entropy of an isolated system not in equilibrium will tend to increase overtime approaching a maximum value at equilibrium

A

Second Law of Thermodynamics

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16
Q

pertains to a law of thermodynamics where the temperature approaches absolute zero, the entropy of a system approaches a constant minimum

A

Third Law of Thermodynamics

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17
Q

pertains to a law of thermodynamics that if two thermodynamics systems are each in thermal equilibrium with a third, then they are in thermal equilibrium with each other

A

Zeroth’s Law

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18
Q

Any interaction that when unopposed will change the motion of an object, It can cause an object with mass to change its velocity.

A

Zeroth’s Law

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19
Q

Newton’s Second Law of Motion

A

Law of Acceleration

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20
Q

the acceleration of a particular body is directly proportional to the resultant force acting on it, and inversely proportional to its mass

A

Newton’s Second Law of Motion

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21
Q

The force exerted by gravity on mass or the force of an object due to gravity

A

Weight

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22
Q

when do k and g are numerically equal?

A

at or near the surface of the earth

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23
Q

mass over volume

A

Density

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24
Q

The measure of the coolness or hotness of a body

A

Temperature

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25
Q

temperature measured from absolute zero

A

Absolute Temperature

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26
Q

It states that mass is indestructible

A

Conservation of Mass

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27
Q

the energy of a body due to its position or elevation

A

Gravitational Potential Energy

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28
Q

The stored capacity for performing work possessed by a moving body, by virtue of its momentum

A

Kinetic Energy

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29
Q

energy stored within a body or substance by virtue of the activity and configuration of its molecules and the vibration of the atoms within the molecules

A

Internal Energy

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30
Q

The product of the displacement of a body and the component of force in the direction of the displacement. Also,a force moving thru a distance

A

Work

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31
Q

Work done by the system is

A

Positive

32
Q

Work done on the system

A

Negative

33
Q

Work done in pushing a fluid across a boundary usually into or out of a system

A

Flow Work

34
Q

energy in transit from one body or system to another solely because of the temperature difference between the bodies or systems

A

Heat

35
Q

it states that one form of energy may be converted into another

A

First Law of Thermodynamics

36
Q

it states that energy is neither created nor destroyed

A

Law of Conservation of Energy

37
Q

a composite property applicable to all fluids

A

Enthalpy

38
Q

A theoretical gas composed of many randomly moving point particles whose only interactions are perfectly elastic collision

A

Ideal Gas

39
Q

Also called as perfect gas

A

Ideal Gas

40
Q

If the temperature remains constant, the volume of a given mass of gas is inversely proportional to the pressure. Thus, for any two states 1 and 2 of a gas at the same temperature

A

Boyle’s Law

41
Q

Law with constant temperature

A

Boyle’s Law

42
Q

If the pressure is held constant, the volume of a given mass of gas varies directly as the absolute temperature

A

Charles’ Law

43
Q

Law with constant pressure

A

Charles’ Law

44
Q

The amount of energy in a system that is no longer available for doing mechanical work

A

Entropy

45
Q

That property of a substance which remains constant if no heat enters or leaves the substance, while it does work or alter its volume, but which increases or diminishes should a small amount of heat enter or leave

A

Entropy

46
Q

No heat is gain, no heat loss, the system is perfectly insulated

A

Adiabatic

47
Q

refers to the quantity of matter or certain volume in space chosen for the study

A

Thermodynamic System

48
Q

all matter and space outside the system

A

Thermodynamic Surroundings

49
Q

a real/imaginary surface that separates the system from its surroundings. It can be fixed or movable.

A

Thermodynamic Boundary

50
Q

As you change the amount of substance, the property does not change. Independent on its mass.

A

Intensive Property

51
Q

Property varies with amount. Dependent on its mass

A

Extensive Property

52
Q

a substance to which heat can be stored and from which heat can be extracted

A

Working Substance

53
Q

is a working substance whose chemical composition remains the same even if there is a change in phase

A

Pure Substance

54
Q

a working substance that remains in the gaseous state during its operating cycle and whose equation of state is PV=mRT

A

Ideal Gas

55
Q

property of matter that constitutes one of the fundamental physical measurements or the amount of matter a body contains

A

Mass

56
Q

the force acting on a body in a gravitational field, equal to the product of its mass and the gravitational acceleration of the field

A

Weight

57
Q

amount of space occupied by, or contained in a body and is measured by the no. of cubes a body contains

A

Volume

58
Q

Degree of hotness and coldness

A

Temperature

59
Q

force per unit area

A

Pressure

60
Q

Mass per unit volume

A

Density

61
Q

volume per unit mass

A

Specific Volume

62
Q

force on gravity or weight per unit volume

A

Specific Weight

63
Q

Heat energy due to the movement of the molecules within the substance brought about its temperature.

A

Internal Energy

64
Q

work due to the change in volume

A

Flow Work

65
Q

the total heat and heat content of a substance which is equal to the sum of the internal energy of a body and the product of pressure and specific volume.

A

Enthalpy

66
Q

measure of randomness of the molecules of a substance or measures the fraction of the total energy of a system that is not available for doing work

A

Entropy

67
Q

the quantity of energy transferred from one system to another

A

Work

68
Q

energy in transit from a high-temperature object to a lower temperature object

A

Heat

69
Q

the amount of energy transferred per unit time

A

Power

70
Q

Total Energy Entering the System = Total Energy Leaving the System

A

First Law of Thermodynamics

71
Q

The entropy of a substance of absolute zero temperature is zero

A

Third Law of Thermodynamics

72
Q

most efficient operating cycle

A

Carnot Cycle

73
Q

If two bodies have the same temperature as a third body, they have the same temperature with each other.

A

Zeroth Law of Thermodynamics

74
Q

substance that has the equation of state

A

Ideal Gases

75
Q

Law with Constant Temperature

A

Boyle’s Law

76
Q

Law with Constant Pressure and Volume Process

A

Charles’ Law

77
Q

Process with No friction Loss

A

Reversible Process

Thermodynamics 1 (IPE) (3 decks)

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