Welcome to the Quiz!
This quiz contains 14 questions from a mix of 1 subtopics.
Which of the following best describes the particle arrangement in a solid?
particles move chaotically and fill their container
particles have negligible intermolecular attractions
particles are closely packed in a regular structure
particles can flow past each other
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What provides evidence for the kinetic theory from Robert Brown's observations?
the viscosity of air
the ability of particles to change state
the erratic, random movement of particles
the arrangement of particles in a lattice
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Which form of energy is related to the velocities of particles?
internal energy
kinetic energy
intermolecular energy
potential energy
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What happens to water molecules' potential energy during boiling?
it stays the same
it decreases
it becomes kinetic energy
it increases
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As temperature increases, what happens to particles' average kinetic energy?
the effect cannot be predicted
it stays the same
it decreases
it increases
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Which contribution to internal energy is associated with overcoming intermolecular attractions?
intermolecular
electrical
kinetic
potential
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What causes the random, zig-zag motion of particles observed in Brownian motion?
collisions with other particles
gravity
electromagnetic forces
quantum effects
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What allows gas particles to fill the entire volume of their container?
negligible intermolecular attractions
ability to flow
increased kinetic energy
structured arrangement
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As heat is added to a substance, what happens to the average kinetic energies of its particles?
they increase
they remain unchanged
they decrease
the effect cannot be predicted
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What term refers to the total energy, kinetic and potential, within a system?
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What phenomenon involved the observation of erratically moving particles in fluid?
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Identify three phases of matter and their associated particle properties:
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Give two components that contribute to a system's internal energy:
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State two key observations provided by Brownian motion:
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