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Thermodynamics > Midterm 1 Vocab > Flashcards

Midterm 1 Vocab Flashcards

1
Q

Region of space bounded by surfaces

A

Thermodynamic system

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2
Q

Surface of a thermodynamic system

A

T.S. Boundary

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3
Q

T.S. Where energy but not mass can cross its boundaries

A

Closed System

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4
Q

T.S. Where mass and energy may cross its boundaries

A

Open System

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5
Q

T.S. Where neither mass nor energy may cross its boundaries

A

Isolated System

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6
Q

A property that is independent of system mass

A

intensive property

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7
Q

a property that is dependent on system mass

A

extensive property

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8
Q

T.S. that is not able to spontaneously change its state after being isolated

A

Thermodynamic equilibrium

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9
Q

Condition of a T.S. that is defined by its properties

A

Thermodynamic state

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10
Q

A path of states that a T.S. passes through as it goes from an initial to a final state

A

Thermodynamic process

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11
Q

A process where the initial state is identical to the final state

A

Thermodynamic cycle

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12
Q

A chemically uniform substance

A

Pure substance

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13
Q

A substance that is in a single phase throughout

A

Homogeneous Substance

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14
Q

A system where pressure is constant

A

Isobaric

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15
Q

A system where temperature is constant

A

Isothermal

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16
Q

A system where volume is constant

A

Isochoric

17
Q

State Postulate

A

The state of a simple compressible substance is completely defined by 2 independent intensive properties

18
Q

A T.S. in the absence of electrical, magnetic, gravitational, motion, and surface tension effects

A

Simple Compressible System

19
Q

Properties that do not depend on each other

A

Independent Properties

20
Q

If 2 bodies are in thermal equilibrium with a third body, they are also in equilibrium with each other

A

0th law of thermodynamics

21
Q

Mechanical Equilibrium

A

When there is no change in pressure

22
Q

Thermal Equilibrium

A

When there is no change in temperature

23
Q

Phase Equilibrium

A

When there is no change in phase

24
Q

Chemical equilibrium

A

When there is no chemical change occurring

25
Q

Thermodynamic analysis on an atomic level that focuses on individual atoms

A

Microscopic Analysis

26
Q

Thermodynamic analysis of a substance as a whole using a continuum

A

Macroscopic Analysis

27
Q

An area that can keep being divided and divided infinitely with no individual particles

A

Continuum

28
Q

Absolute Pressure

A

Gage pressure + Absolute pressure

Thermodynamics (1 decks)

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