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ChApTeR 3 VoCaB

Chapter 3 vocabulary questions

QuestionAnswer
What state of matter has a definite volume but not a definite shape? A liquid has a definite volume but not a definite shape.
What state of matter has both a definite volume and shape? A solid has a definite volume and shape.
What state of matter would take the shape and volume of the container it was put in? A gas would take the volume and shape of the container it was in.
What type of energy is affected by the objects motion? Kinetic energy is the energy an object has due to its motion.
What is pressure? Pressure is the result of a force distributed over an area.
What temperature does gas cool near? A gas cools near absolute zero.
What does Charle's law state? Charle's law states that the volume of a gas is directly proportional to its temperature in kelvins if the pressure and the number of particles of the gas are constant.
What does Boyle's law state? Boyle's law states that the volume of a gas is inversely proportional to its pressure if the temperature and the number of particles are constant.
What is phase change? Phase change is the reversible physical change that occurs when a substance changes from one state of matter to another.
What happens during an endothermic change? During an endothermic change, the system absorbs energy from its surroundings.
What is heat of fusion? The heat of fusion is the amount of energy when something melts.
What happens during an exothermic change? During an exothermic change, the system releases releases enrgy to its surroundings.
What is it called when a substance changes from a liquid to a gas? This process is called vaporization.
What is heat of vaporzation? The energy absorbed to change from a liquid to a gas is heat of vaporization?
What is evaporation? Evaporation is the process that changes a substance from a liquid to a gas at temperatures below the substance's boiling point.
What is vapor pressure? Vapor pressure is the pressure caused by the collisions of this vapor and the walls of the container.
What is condensation? Condensation is the phase change in which a substance changes from a gas or vapor to a liquid.
What is sublimation? Sublimation is the phase change in which a substance changes from a solid to a gas or vapor without chnaging into a liquid first.
What is deposition? Deposition is when a gas or vapor changes directly into a solid without first changing to a liquid.
Created by: cj619
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