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Chapter 3
| Question | Answer |
|---|---|
| What is a solid? | Is the state of matter in which materials have a definite shape and a definite volume. |
| What is a liquid? | Is the state of matter in which materials do not have a definite shape but has a definite volume |
| What is a liquid? | Is the state of matter in which materials do not have a definite shape but has a definite volume |
| What is a gas? | Is the state of matter in which materials have neither a definite shape or volume. |
| What is a gas? | Is the state of matter in which materials have neither a definite shape or volume. |
| What is a gas? | Is the state of matter in which materials have neither a definite shape or volume. |
| What is kenetic energy? | Is the energy an objecthas due to its motion. |
| What is kenetic energy? | Is the energy an objecthas due to its motion. |
| What is a phase change? | Is the reversible physical change that occours when a substance changes from one state of matter to another. |
| What is a phase change? | Is the reversible physical change that occours when a substance changes from one state of matter to another. |
| What is a phase change? | Is the reversible physical change that occours when a substance changes from one state of matter to another. |
| What is endothermic? | When the system absorbs energy from its surroundings. |
| What is the heat of fusion? | the energy the substance must absorb in order to change from a solid to a liquid. |
| What is exothermic? | When the system releases energy to its surroundings. |
| What is vaporization? | The phase change in which a substance changes from a liguid to gas. |
| What is heat of vaporization? | The energy a substance must absorb in order to change from a liquid to a gas. |
| What is evaporation? | Is the process that changes a substances from a liguid to a gas at temperatures below the substance's boiling point. |
| What is vapor pressure? | The pressure caused by the collisions of particles in a vapor with the walls of the container. |
| What is condensation? | Is the phase change in which a substance changes from a gas or a vapor into a liquid? |
| What is sublimation? | Is a phase change in which a substance changes from a solid into a gas or vapor without changing into a liquid first. |
| What is deposition? | When a gas or vapor changes directly into a solid without first changing into a liquis. |