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Introduction to IS

lapsley chpt 3 vocab

QuestionAnswer
what is the state of matter that has a definite volume and shape? solid
what state of matter that takes the shape of its container? liquid
what state of matter has no definite shape and and an indefinite volume? gas
what is energy that is in motion? kinetic energy
define pressure. pressure is the result of a force distributed over an area.
what happens if a gas has increased temperature? the gas expands
define absolute zero. the point at which a atom has no energy left
what is Boyle's law. states that volume of a gas its inversely proportional to its pressure if the temperature and the number of particles are constant.
explain the combined gas law. this law combines both the charles law and boyles law together.
what are the types of phase changes? melting, boiling, freezing, evaporation, condensation, sublimation.
endothermic means... a system absorbs energy from its surrounding.
what is the definition of heat fusion a measurement of energy when phase changes occur.
what word means the system releases energy to its surroundings? `exothermic
what word means to phase change from a liquid to a gas? vaporization
give the definition of heat of vaporization the energy release of when a phase change occurs
evaporation is the... process that changes a substance boiling point
what word is the pressure of the evaporation occurring? vapor pressure
sublimation is the... phase change when a solid goes to a gas
deposition is the... process when a gas turns into a solid
Created by: jlapsley
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