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states of matter7
| Question | Answer |
|---|---|
| This energy changes depending on its motion | Kinetic energy |
| This state of matter has neither a definite shape nor a definite matter | Gas |
| This state of matter will always have the same shape as its container | Liquid |
| This state of matter has a definite shape and a definite volume | Solid |
| What allows a gas to fill a container of any shape or size? | Constant motion |
| Why does a solid have a definite shape and volume? | Because particles in a solid vibrate around fixed locations |
| The result of a force distributed over an area | Pressure |
| A temperature of 0K | Absolute 0 |
| Which law says that the volume of gas is directly proportional to its temperature in kelvins if the pressure and the particles of the gas are constant? | Charle's law |
| Which law says that the volume of gas is inversely proportional to its pressure if the temperature and the number of particles are constant? | Boyle's law |
| The reversible physical change that occurs when a substance changes from one state of matter to another | Phase change |
| What are six common phase changes? | Melting, freezing, vaporization, condensation, sublimation, and deposition |
| The system absorbs energy from its surroundings | Endothermic |
| The amount of energy for water | Heat fusion |
| The system releases energy to its surroundings | exothermic |
| Liquid to a gas | vaporization |