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states of matter
Chapter 3 Vocab I.S
Question | Answer |
---|---|
what is a temperature of 0K called? | absolute zero |
The state of matter in which materials have a definite shape and a definite volume | solid |
Mercury exists as this at room tempature | liquid |
This state of matter fills up a baloon to make it float | gas |
The faster an object moves the greater the (blank) is | kinetic energy |
The result of a force over an area | Pressure |
What allows a gas to fill any type of container? | constant motion |
What law states that the volume of a gas is directly proportional to it temperature? | Charles's law |
Which law states that the volume of a gas is inversely proportional? | Boyle's law |
What is melting ice an example of? | endothermic change |
joules are a measurement of energy called (blank) | heat of fusion |
During what change does the system release energy to its surroundings? | exothermic |
The phase change when a liquid changes to a gas | vaporization |
The process that changes a liquid to a gas | evaporation |
The phase change in which a substance chnges from a gas to a liquid | Condensation |
When a gas or vapor changes directly into a solid without first chnging to a liquid | deposition |
What type of vaporization varies from substance to substance? | heat of vaporization |