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27 Cards in this Set
- Front
- Back
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Which of the following statements is part of the kinetic theory |
all of the above |
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What instrument is normally used to measure atmospheric pressure |
barometer |
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What is the SI unit pressure |
pascal (Pa) |
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What is one standard atmosphere of pressure in kilopascals |
1 atom ------------ 101.3kPa |
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What happens to the average kinetic energy of the particles in a sample of matter as the temperature of the sample is increased |
average kinetic energy increases |
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with which temperature scale is temperature directly proportional to average kinetic energy |
kelvin |
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consider an iron cube and an aluminum cube. If the two cubes were at the same temperature, how would the average kinetic energy of the particles in iron compare with the average kinetic energy of the particles in aluminum |
there would be no different in the average kinetic energy |
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what is the key difference between a liquid and a gas |
intermolecular attraction |
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which are the first particles to evaporate from a liquid |
particles with the highest kinetic energy |
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what is the pressure when a liquid is boiling at its normal boiling point |
101.3kPa |
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which of th following best describes the motion of the particles in a piece of steel |
all are moving |
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most solids _______. |
are dense and difficult to compress |
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which of the following elements has the ability to undergo sublimation |
iodine |
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which of the following is an example of a phase |
water vapor |
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how are conditions of pressure and temperature, at which two phases coexist in equilibrium, shown on a phase diagram |
by a line separating the phases |
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what is the pressure (in atm) at the normal boiling point of water |
1 atm
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temperature at which a substance change s from a solid to a liquid |
melting point |
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evaporation thatchers at the surface of a liquid |
evaporation |
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temperature at which vapor pressure of a solid is equal to external pressure on the liquid |
boiling point |
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the conversion of liquid to gas or vapor |
vaporization |
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solid changes to a gas or vapor without passing through liquid state |
sublimation |
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boiling point of a liquid at pressure of 101.3kPa or 1 atm |
normal boiling point |
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explains the states of matter based on the concept that all matter consists of tiny particles in constant motion |
kinetic theory |
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pressure exerted by atoms and molecules in the atmosphere resulting from a collision of the particles with objects |
atmospheric pressure |
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measure of the force exerted by gas above a liquid in a sealed container |
Vapor pressure |
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instrument used to measure atmospheric pressure |
barometer |
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the energy an object has because of its motion |
kinetic energy |
