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Phase change
| Question | Answer |
|---|---|
| evaporation | particles at the surface change from a liquid to a gas |
| condensation | change of state from a gas to a liquid |
| melting | change of state from a solid to a liquid |
| freezing | change of state from a liquid to a solid |
| sublimation | change of state from a solid directly to a gas |
| boiling | change of state from a liquid to a gas |
| melting - exothermic or endothermic? | endothermic |
| freezing - exothermic or endothermic? | exothermic |
| boiling - exothermic or endothermic? | endothermic |
| condensing - exothermic or endothermic? | exothermic |
| sublimation - exothermic or endothermic? | endothermic |
| speed of molecules | temperature |
| heat energy is released released | exothermic |
| heat energy is absorbed | endothermic |
| force per unit area | pressure |
| property of liquids affected by attraction between molecules at the surface | surface tension |
| viscosity | a property of liquids which describes its resistance to flow |
Created by:
mlopez