Chapters 13-17 Flashcards

1
Q

Temperature

A

Relative measure of hot or cold

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2
Q

Heat

A

The energy transfered from 1 object to another because of a temperature difference

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3
Q

Internal Energy

A

Potential energy of its molecules and Translational, Vibrational, and Rotational Kinetic Energy

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4
Q

Thermal Equilibrium

A

When there is no more heat transfer between objects

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5
Q

What temp does water freeze

A

32 F , 0 C , 273 K

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6
Q

Kelvin

A

C + 273

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7
Q

Fareinheit

A

1.8(C) + 32

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8
Q

What temp does water boil

A

212 F , 100 C , 373 K

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9
Q

Ideal Gas Law (pV)

A

pV = m/M(RT)

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10
Q

Thermal Expansion (Delta L)

A

Delta L = a L (t2-T1)

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11
Q

Kinetic theory of gases

A

1.38*10^-23 j/k

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12
Q

1 kcal

A

4186 J

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13
Q

Specific Heat (Q)

A

Q = mc (delta T)

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14
Q

Phase Change

A

Q = mL

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15
Q

3 types of heat transfer

A

Conduction - touch
Convection - hot air movement
Radiation - through empty space

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16
Q

Thermodynamic Process

A

A change in a state of matter

17
Q

Internal energy of gas

A

Q = delta U + w

18
Q

Thermal processes

A

Isobaric- Constant Pressure
Isothermal - Constant Temp
Adiabatic- No heat transfer

19
Q

2nd Law of Thermodynamics

A

Heat will not flow spontaneously from a colder body to a warmer body

20
Q

Entropy

A

measure of disorder

21
Q

with every natural process, the total entropy of the universe

A

increases

22
Q

heat engine Work

A

W = Q -Qcold

23
Q

thermal efficiancy

A

Q-Qcold/Q

24
Q

Hookes Law

A

F = -kx

25
Q

Frequency

A

f = 1/2pi(sqrt(k/m))

26
Q

Period

A

T = 1/f

27
Q

Angular Frequency

A

w = 2pi *f

28
Q

Wave speed (v)

A

v = Y/f

29
Q

Transverse Wave

A

perpendicular

30
Q

Longitudinal Wave

A

parrell

31
Q

Superposistion

A

Combined waveform of 2+ interfering waves is given by the sum of the displacement of the individual waves

32
Q

Constructive Interference

A

Combined wave form has a greater amplitude than either single wave