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 have negligible intermolecular attractions
particles move chaotically and fill their container
particles can flow past each other
particles are closely packed in a regular structure
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What provides evidence for the kinetic theory from Robert Brown's observations?
the ability of particles to change state
the arrangement of particles in a lattice
the erratic, random movement of particles
the viscosity of air
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Which form of energy is related to the velocities of particles?
potential energy
internal energy
intermolecular energy
kinetic energy
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What happens to water molecules' potential energy during boiling?
it decreases
it increases
it becomes kinetic energy
it stays the same
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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?
kinetic
potential
intermolecular
electrical
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What causes the random, zig-zag motion of particles observed in Brownian motion?
electromagnetic forces
collisions with other particles
quantum effects
gravity
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What allows gas particles to fill the entire volume of their container?
increased kinetic energy
structured arrangement
ability to flow
negligible intermolecular attractions
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As heat is added to a substance, what happens to the average kinetic energies of its particles?
they remain unchanged
they decrease
the effect cannot be predicted
they increase
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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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