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Teams
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lifesaver
Give 20 points!
Oops!
×
magnet
Take 25 points!
Okay!
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rocket
Go to first place!
Okay!
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baam
Lose 25 points!
Oops!
5
×
What happens to the internal energy of a system that has decreased?
the internal energy becomes negative
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15
×
What is the equation for the first law of thermodynamics?
ÎU= q+w
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15
×
The first law of thermodynamics states that internal energy of an _____ _____ is constant.
isolated system
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20
×
What is the change in internal energy if 4025 J of heat is added to a system and 2500 J of work is done by the system?
internal energy increases by 1525 J
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25
×
The consequence of conservation of _____ is because of the first law of thermodynamics.
energy
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5
×
What does âU represent?
The change in internal energy
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thief
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5
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25
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shark
Other team loses 20 points!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
5
10
15
20
25
5
×
What happens to the internal energy of a system that has increased?
the internal energy is positive
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15
×
What are the two ways to transfer energy between a closed system and surroundings?
work and heat
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5
×
What is thermodynamics?
the study of energy
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10
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If "W" is negative work ________ the system.
is done on
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15
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A/an ____ _____ no energy is transferred as heat, no work is done by the system, and there is no change in internal energy.
isolated
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thief
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5
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25
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gold
Win 50 points!
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×
shark
Other team loses 25 points!
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×
thief
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5
10
15
20
25
20
×
The ______ ________ of the system has to equal to energy transferred from the surroundings.
energy change
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15
×
Volume doesn't change and no work is done when it is ______.
isovolumetric
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