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Chapter 16 KaceyJ
Question | Answer |
---|---|
kinetic theory | energy a moving object has because of its motion; depends on the mass and speed of the object |
melting point | temperature at which as solid begins to liquify |
heat of fusion | amount of energy required to change a substance form the solid phase to the liquid phase |
boiling point | vapor in the liquid is equal to the external pressure acting on the surface of the liquid |
heat of vaporization | the amount of energy required for the liquid at its boiling point to become a gas |
diffusion | spreading of particles throughout a given volume until they are uniformly distributed |
plasma | matter consisting of positively and negatively charged particles. |
thermal expansion | increase the size of a substance when the temperature is increased |
buoyancy | ability of a fluid |
pressure | amount of force exerted per unit area |
viscosity | a fluid's resistance to flow |
pascal | Si unit of pressure |