click below
click below
Normal Size Small Size show me how
joseph glover ch.16
| Question | Answer |
|---|---|
| kinetic theory | an expansion of how particles in amtter behave. |
| melting point | the temperature at which a solid began to liquifi |
| heat of fusion | amount of energy required to chang a substance. |
| boiliing point | a luquid is the temperature at which the pressure of the vapor in the liquid is equal to the externl pressure acting on the surface of the luquid keeping particles from escatping. |
| heat of vaporization | 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 | conssisting of positively and negativelycharged particles. |
| thermal expansion | increase in the sixe of a substancewhen the temperature is increased |
| buoyancy | ability of a fluid and a liquid or a gas to exert an upward force on an object immersed in it. |
| pressure | force exerted per unit area or fia. |
| viscosity | flow by a fluid |
| Pascal | the si unit of pressure. |