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Question
What do the components of a conceptual model have in common?A) All components interact with each other.
B) All components are mutually independent of each other.
C) The components have nothing in common. This is what differentiates a conceptual model from a physical model.
D) Each component must correlate with a corresponding component of a physical model.
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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When the temperature of a fixed volume of air initially at 0 C is lowered by 1 degree, its pressure
A) decreases by 1/273.
B) decreases by 100/273.
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D) increases by 100/273.
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Which of these is the smallest?
A) 1 Celsius degree
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B) potential energy.
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Distinguish between the concepts of thermal energy, temperature, and heat.
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A) surface of bodies of water.
B) layer of water slightly below the surface.
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Water at 4C will expand when it is slightly
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B) warmed.
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If water at 0C slightly increases in temperature, the water
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If water at 20C slightly increases in temperature, the water
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Q:
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Q:
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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A) becomes more ordered.
B) becomes less ordered.
C) reaches equilibrium.
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When work is done by a system and heat is subtracted, the temperature of the system
A) increases.
B) decreases.
C) remains unchanged.
Q:
Which law of thermodynamics addresses the direction of heat flow?
A) First law
B) Second law
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D) all of the above
Q:
Which law of thermodynamics states that no system can reach absolute zero?
A) First 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) 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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Newton discovered
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E) none of the above