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