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how many states of matter are there? |
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four. liquid solid gas idk the other one |
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how is the state of matter determined by |
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how fast particles move how strongly they are attracted to eachother |
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definite shape? no/yes? solid liquid gas |
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solid. yes liquid.no gas. no |
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definite volume? yes/no? solid liquid gas |
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solid. yes liquid . yes gas.no |
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orderly 3-d arrangement of atom |
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not a particular ordered pattern- squishy |
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surface tension, viscosity |
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a force acting on particles at the surface of a liquid causing spherical drops |
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liquids resistace to flow |
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gases can change both blank and blank |
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plasma is the state of voume that dosnt have a definite shape or definite volume. they conduct an electrical current and are affected by magnets |
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a substance may change ffrom physical form to another with change in temperature |
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what are the five changes of state |
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Definition
melting, sublimation, vaporazation, condensation, freezing |
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the measure of speed of particles / mass of energy |
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emperature is measured using a what? |
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temperature is measured in |
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a transfer of enrgy that causes the temp to change |
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define melting. endo or exo. |
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the change of state from solid to liquid. endo |
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define freezing. endo or exo |
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Definition
the change of state from liquid to solid exo |
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melting and freezing occur at the same temp called the |
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Definition
melting point. 0 c. or 32 f |
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define vaporization endo or exo. |
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change of state from liquid to gas endo |
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define condensation endo or exo. |
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change of stat from gas to liquid. exo |
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what happens to temp during change of state |
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Definition
the temp is the speed of particles. when there is a change of state the speed of particles changes too. |
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volume and pressure are inversely proportional=opposite |
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what does boyles laws state? |
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when pressure increases, volumedecreases |
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what does boyles laws state? |
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Definition
when pressure increases, volumedecreases |
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glove in bell jar. squeezing balloon. shaving cream |
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what happens to the air particles when the pressure is decreased? |
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they spread out and become less dense. |
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volume and temperature are directly proptional=same. |
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what do charles' laws state? |
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when temperature increases, volume increases. when temperature decreases, volume decreases. |
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collaspsing can. taking a balloon in cold. marshmellow. |
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what happens to the particles when charles law takes place? |
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they get closer togehter. |
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t/f. when gas law takes place, there are not the same amount of particles. |
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Definition
false. THERE ARRE THE SAME AMOUTN. |
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why do gas laws only apply to gas? |
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Definition
because gases do not have definite volume so their particles can move closer together or farther apart. |
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