Thermodynamics notes Flashcards

1
Q

Energy

A

Capacity to do work

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2
Q

Work

A

Directed energy change

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3
Q

Thermochemistry

A

Study of heat change in chemical reactions

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4
Q

Heat

A

The transfer of thermal energy between two bodies of different temperatures

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5
Q

System

A

Part of the universe in interest

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6
Q

Open system

A

Exchanges mass + energy with surroundings

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7
Q

Closed system

A

Exchanges energy only

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8
Q

Isolated system

A

No exchange of any kind

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9
Q

Endothermic

A

Gives off heat

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10
Q

Exothermic

A

Takes heat in

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11
Q

Thermodynamics

A

The study of the inner conversion of heat + other types of energy

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12
Q

State function

A

Property independent of the process to get there

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13
Q

Work

A

force x distance

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14
Q

Enthalpy

A

H = E+PV

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15
Q

Carloimetry

A

Measuring heat changes

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16
Q

Specific heat

A

Amount of heat required to raise the temp. of 1g of a substance by 1 C

17
Q

Heat capacity

A

Amount of heat required to raise the temp. of a given quantity by 1 C

18
Q

Constant pressure calorimetry

A

Assume an isolated system

Often neglect the small heat capcity of the container