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36 Cards in this Set
- Front
- Back
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State with definite volume and shape is....
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solid
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Three ordinary states of matter are....
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solid, liquid, gas
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State with definite volume and indefinite shape is...
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liquid
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State with indefinite volume and indefinite shape is....
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gas
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State that is easily compressible is...
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gas
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State that has particles rigidly fixed together is....
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solid
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State that has particles touching but able to move past one another is...
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liquid
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State that has the least "glue" holding it together such that the particles move freely about is...
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gas
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What happens to temperature while a state is undergoing a phase change?
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temp stays the same
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When a solid turns into a liquid, we call it...
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melting
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When a liquid turns into a gas, we call it...
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boiling
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When a gas turns back into a liquid, we call it...
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condensation
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When a solid turns directly into a gas, we call it....
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sublimation
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When a gas turns directly into a solid, we call it....
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deposition
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When a liquid turns into a solid, we call it....
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freezing
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All states of matter will e________ when heated.
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expand
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A _____ completely fills its container.
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gas
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A _____ fills its container from the bottom up.
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liquid
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Water freezes at 0 C and boils at 100 C. What state is water at 35 C?
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Liquid
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Water melts at 0 C and boils at 100 C. What state is water at -12 C?
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Solid
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Mercury's melting point is -39 C and its boiling point is 357 C. What state is mercury at -10 C?
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liquid
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Ethanol's melting point is -117 C and its boiling point is 78 C. What state is ethanol when at 85 C?
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Gas
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Neon melts at -249 C and boils at -246. What's its state when at -247?
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Liquid
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What type of change is a state change -- physical or chemical?
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physical
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(T/F) The freezing and melting temperatures of a substance are the same temperature.
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True
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(T/F) The boiling & condensation temperatures of a substance are the same temperature.
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True
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A ______ is like a gas but refers to the gaseous stae of a substance that is usually a solid or liquid at room temperature.
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Vapor
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Similar to boiling, _______ occurs at ordinary or low temperature and has the same result -- liquid to gas.
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evaporation
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Ethyl alcohol boils at 78 C and water boils at 100 C. How could you separate them if they were combined together in a solution?
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Keep the temperature between 78 and 100 C so that mostly gaseous alcohol would come out of the solution.
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Regions G, H, & I are the ___, ___, ___ states of matter.
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solid, liquid, gas
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Point F, where all three states can exist in equilibrium, is called ....
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the triple point
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Arrow J and arrow K represent ____ and ____, respectively
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melting
boiling |
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Arrow C and arrow D represent ____ and _____ respectively.
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freezing
condensation |
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Arrow E represents....
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sublimation (state change from solid to gas)
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What's the siginificance of 101.3 kPa?
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That's normal or standard atmospheric pressure.
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Locations A & B are the ____ ____ temperature and the ____ _____ temperature, respectively.
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normal melting
normal boiling |
