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Period F PNHS

Jackson-pnhs-into to I.S. vocab

QuestionAnswer
Is a Phase change reversible? Yes
If ice melts what kind of change is it? Endothermic
Solids have a definite shape of matter. True or False? True
what is the variable for heat fusion joules
Witch state of matter has a definite volume but not a definite shape? Liquids
Gas has neither a definite shape nor definite volume. True or false? True
An object that is moving has what type of energy? Kinetic energy.
The bigger the area of impact is the greater the force is. True or False? False
A temperature of 0 K is called what? Absolute Zero
As Volume increases what else also increases? Volume
What law states that the volume of a gas is inversely proportional to its pressure if the temperature and the number of particles is constant. Boyle's Law
what happens in an exothermic change? The subject releases energy to its surroundings.
What is the change when a substance changes from a liquid to a gas called? vaporization
The amount of energy in vaporization is called what? heat of vaporization.
Evaporation is the process that changes a substance from a liquid to a gas. true or false? True
What happens to the temperature when vapor pressure increases? temperature increases
What is it called when a gas is changed to a liquid? condensation
When a solid is changed from a solid to a gas or vapor without first changing to liquid is called sublimation. True or False? True
What is it called when a gas or vapor is changed directly to a solid? Deposition.
Created by: DanJackson3
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