IB Physics Quiz
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THE PARTICULATE NATURE OF MATTER
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The microscopic origin of the pressure exerted by a gas on the walls of its container is the
A
sum of the gravitational forces of all molecules on the wall.
B
electrostatic repulsion between molecules and the wall.
C
average kinetic energy of the molecules within the container.
D
rate of change of momentum of molecules colliding with the wall.
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