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Question
When the temperature of a fixed volume of air initially at 0 C is lowered by 1 degree, its pressureA) decreases by 1/273.
B) decreases by 100/273.
C) increases by 1/273.
D) increases by 100/273.
Answer
This answer is hidden. It contains 1 characters.
Related questions
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Heat energy is measured in units of
A) degrees.
B) joules.
C) calories.
D) both joules and calories.
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Which of these is the smallest?
A) 1 Celsius degree
B) 1 kelvin
C) 1 Fahrenheit degree
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Q:
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A) Celsius
B) Caloric
C) Kelvin
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B) layer of water slightly below the surface.
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If water at 0C slightly increases in temperature, the water
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B) expands.
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If water at 20C slightly increases in temperature, the water
A) expands.
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Q:
The operation of a bimetallic strip relies on differences in
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A kg of 40C water and a kg of 20C water, after being mixed, have a temperature of 30C. However, the final temperature of a 1-kg iron block at 40C placed into 1 kg of water at 20C is
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Q:
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Q:
As entropy in a system increases, energy within the system
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C) reaches equilibrium.
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B) decreases.
C) remains unchanged.
Q:
Which law of thermodynamics addresses the direction of heat flow?
A) First law
B) Second law
C) Third law
D) all of the above
Q:
Which law of thermodynamics states that no system can reach absolute zero?
A) First law
B) Second law
C) Third law
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Q:
At some point between Earth and the Moon, the forces due to gravity on a space traveler would be the same when this point is
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B) nearer the Moon.
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Two objects move toward each other due to gravity. As the objects get closer and closer, the acceleration of each
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Q:
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B) half as much.
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If Earth's mass somehow decreased with no change in its radius, your weight would
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Q:
Newton discovered
A) gravity.
B) that gravity is universal.
C) neither of these
Q:
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A) go into circular orbit about Earth.
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An Earth satellite in an elliptical orbit travels slowest when it is
A) nearest the Earth.
B) farthest from the Earth.
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An Earth satellite in an elliptical orbit travels fastest when it is
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C) can't say
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