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intro to i.s..

lambert-pnhs-intro to i.s. vocab

QuestionAnswer
what is the state of matter in which the materials have a definite shape and volume? a solid
what is the state of matter in which a material has a defeinite volume but not a definite shape? a liquid
what is the state of matter in which a material doesnt have a definite shape or volume? a gas
what is the energy of an object called due to its motion kinetic energy
what is the result of a force distributed over an area pressure
tempature of 0 K is called? absolute zero
what law states that the volume of a gas is directly proportional to its tempature in kelvins? charle's law
what states that the volume of a gas is inversely proportional to its pressure if the tempature and the number of particles are constant? boyle's law
what is the reversible physical change that occurs when a substance changes from one state of matter to another. phase change
what is it called when the system absorbs energy from its surroundings? endothermic change
what is the energy a substance ,ust absorb in orer to change from a solid to a liquid called? Heat of Fusion
what is the change called when the system releases energy to its surroundings? exothermic change
what is the phase change called when a substance changes from a liquid to a gas? vaporization
what is ut called when a substance must absorb energy to change from a liquid to a gas? heat of vaporization
what is the process called when a substances changes from a liquid to a gas? evaporation
the pressures caused by the collisions of this vapor and the walls of the container is called? vapor pressure
what is the pase change called in which a substance changes from a gas or vapor to a liquid? condensation
what is the phase change when a substance changes from a solid to a gas to a or vapor without changing to a liquid first? sublimation
what is the phase change called when a gas or vapor changes directly into a solid without first changing to a liquid? deposition
Created by: klambert23
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