# Chapter 2 - Thermodynamics and Gases

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## Description and Tags

The flashcards that correspond with notes for Chapter 2 of 5 Steps to a 5: AP Physics II 2023

### 26 Terms

1

Convection

______ is the transfer of thermal energy through fluid flow.

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2

________ is the transfer of energy through electromagnetic waves.

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3

Temperature

________ is a direct measure of average kinetic energy.

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4

Hot temperatures

________ have a lower peak thats shifted to the right but has the same area under the curve.

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5

temperature of an object

The ________ indicates the speed at which the molecules are vibrating.

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6

Cycles

_______ are paths on the PV diagram that start and end at the same point.

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7

PV Diagrams

_________ are graphs of pressure on the y- axis and volume on the x- axis.

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8

Isothermal lines

_________ are lines in which every point has the same PV value (and therefore the same T)

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9

Cold temperatures

________ have a higher peak thats shifted to the left but has the same area under the curve.

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10

Entropy

_________ is a measure of disorder.

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11

Heat (Q)

____________ is a type of energy that can be transferred between objects

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12

Internal Energy (U)

_____________ is the sum of the energies of all molecules in a substance

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13

Power

_________ can be described as Work per time

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14

Conduction

____________ is the transfer of energy from vibrations from atom to atom of an object from the hotter side to the colder side

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15

Convection

____________ is the transfer of thermal energy through fluid flow

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16

___________ is the transfer of energy through electromagnetic waves

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17

First Law of Thermodynamics

The ______________ states that the internal energy of a system is conserved

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18

Isobaric

_________ processes have constant pressure

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19

Isochoric (Isovolumetric)

______________ processes have constant volume

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20

Isothermal

_________ lines have constant temperature

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21

_____ processes have no heat transfer between the system and the surroundings

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22

Second Law of Thermodynamics

______________ states that the entropy of a system cannot decrease unless work is done on that system

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23

Thermal Equilibrium

__________ is when the net exchange of heat energy between two objects is 0

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24

Ideal Gas Law

The ________ is PV = nRT

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25

Elastic

All collisions between molecules are ______

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26

Elastic collision

An _____ __________ means that kinetic energy is not lost

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