Pregunta 1
Pregunta
Thermodynamics is the study of the flow and transformation of energy in the universe.
Pregunta 2
Pregunta
In the zeroth law how much net flow of heat flows between the objects?
Pregunta 3
Pregunta
What is a major characteristic of absolute zero and what is its measurement?
Respuesta
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no thermal energy 0 K
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no thermal energy 0 J
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no thermal energy 0 D
Pregunta 4
Pregunta
celsius to fahrenheit is Tf=(9/5)Tc+31
Pregunta 5
Pregunta
The change of temperature in solids results in a change in their ________.
Pregunta 6
Pregunta
The equation for a change in length of a solid due to a ∆T is... ∆L=(α)(L)(∆T)
α = coeff. of linear expansion (specific to material)
L is the original length
Pregunta 7
Pregunta
The change of temperature in liquids results in a change in their ________.
Pregunta 8
Pregunta
The equation for a change in volume of a liquid due to a ∆T is... ∆V=(β)(V)(∆ T)
where β = 3α
β = coefficient of volume expansion (in K-¹ or °C-¹)
V is original volume
Pregunta 9
Pregunta
First Law of Thermodynamics (internal energy)
Respuesta
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∆ U= ±Q + ±X
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∆ U= ±Q + ±W
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∆ U= ±Q + ±Z
Pregunta 10
Pregunta
Work done by the system is...
Respuesta
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positive
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negative
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neutral
Pregunta 11
Pregunta
Work done on the system is...
Respuesta
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positive
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negative
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neutral
Pregunta 12
Pregunta
What are the three ways by which heat can be transfer E? Check all that apply.
Respuesta
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conduction
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convection
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radiation
Pregunta 13
Pregunta
The direct transfer of energy from molecule to molecule through molecular collisions is called _______.
Respuesta
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condution
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convection
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radiation
Pregunta 14
Pregunta
When temperature increases, density decreases.
Pregunta 15
Pregunta
How many joules (E) does it take to raise 1kg of water by 1 degree?
Respuesta
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4,194 J/ kg °C
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4,394 J/ kg °C
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4,184 J/ kg °C