Welcome to the Quiz!
This quiz contains 14 questions from a mix of 1 subtopics.
What temperature scale has its zero point at absolute zero?
fahrenheit
kelvin
rankine
celsius
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What is the conversion formula between Celsius (°C) and Kelvin (K)?
T(K) = θ(°C) - 273
θ(°C) = T(K) - 273
T(K) = θ(°C) + 273
θ(°C) = T(K) + 273
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What is the Kelvin temperature equal to 40°C?
283 K
308 K
313 K
318 K
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What happens to the internal energy of a substance as its temperature increases?
it fluctuates randomly
it remains constant
it decreases
it increases
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What causes an increase in the internal energy of a substance?
increased kinetic energy of particles
both of the above
increased potential energy between particles
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What typically happens to kinetic energy during a change of state?
it decreases
it becomes zero
it increases
it remains the same
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When two objects stop exchanging heat energy, what can be said about their final temperatures?
more information is needed
they must be the same
no relationship exists
they must be different
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According to the zeroth law of thermodynamics, if A and C are in thermal equilibrium, and B and C are in thermal equilibrium, what can be concluded?
A and B must have different temperatures
A and B are in thermal equilibrium
no conclusions can be made
more information is needed
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What happens when two objects at different temperatures are brought into thermal contact?
the temperatures remain unchanged
heat flows from higher temperature to lower temperature
the hotter object becomes hotter
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What happens to particle motion as temperature decreases towards absolute zero?
particle motion increases
particle motion ceases completely
particle motion decreases
particle motion remains unchanged
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What is the term used to describe the total kinetic and potential energy of the particles in a system?
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What do we call the temperature point where molecular motion stops?
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Define thermal equilibrium in your own words.
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Explain why increasing the temperature of a substance leads to an increase in internal energy.
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