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54 Cards in this Set
- Front
- Back
matter |
anything that has mass and volume |
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energy |
the ability to do work |
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element |
pure substance, cannot be chemically decomposed |
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compound |
pure substance, can be chemically decomposed |
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heterogeneous mixture |
mixture, non uniform composition |
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homogeneous mixture |
mixture, uniform composition |
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what are the states of matter |
solid liquid gas plasma |
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what makes water unique when it freezes |
the particles expand |
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solids have __ ke |
very low |
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solids have___ shape and __ volume |
fixed shape and volume |
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solids __ conform to the container shape |
do not |
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particle motion of solids |
vibrational |
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crystalline solid |
molecules arranged in a specific pattern |
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amorphous solid |
no molecular order |
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liquids have __ ke |
low |
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liquids have __ volume and __ shape |
fixed volume and variable shape |
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particle motion of liquids |
vibrational and rotational |
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gases have __ ke |
high |
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gases have __ shape and __ volume |
variable shape and volume |
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particle motion of gas |
vibrational, rotational, translational |
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solid to liquid |
melting |
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liquid to gas |
boiling, vaporization |
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gas to liquid |
condensation |
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liquid to solid |
freezing, solidification, crystallization |
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solid to gas |
sublimation |
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gas to solid |
deposition |
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aq means |
aqueous (dissolved in water) |
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temperature |
measure of an objects average ke |
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heat |
flow of energy from high temp to low temp |
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endothermic |
heat absorbed during a reaction, feels cold |
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exothermic |
heat given off during a reaction, feels hot |
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specific heat of liquid water |
4.18 |
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specific heat of ice |
2.05 |
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specific heat of water vapor |
2.01 |
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specific heat of aluminum |
.90 |
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specific heat of copper |
0.385 |
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q lost = |
q gained |
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filtration |
removing “straining” a solid from a liquid with a porous paper |
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can/cannot separate a dissolved substance through filtration |
cannot |
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immiscible liquids |
liquids that don’t mix |
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decanting |
pouring a liquid off a solid |
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precipitate |
solid formed in a solution during a chemical reaction |
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chromatography |
separation of a mixture based on bonding preferences and molecular polarity |
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chromatography needs a __ and __ phase |
stationary and mobile |
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distillation |
separation based of boiling point differences |
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volatility |
measure of the speed at which a substance evaporates |
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fractional distillation |
distill one big mixture into many different parts |
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physical properties |
are constants about the substance, can use our senses to observe them |
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extensive physical property |
depends on how much material you have |
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intensive physical property |
does not matter how much |
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physical can/cannot be reversed |
can |
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chemical properties |
properties a substance has when it reacts with another substance |
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chemical change |
makes a new product |
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physical change |
matter changes form but not identity |