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17 Cards in this Set
- Front
- Back
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covalent bond
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share of electrons (ex. between hydrogen and oxygen)
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Hydrogen bond
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attraction between two water molecules
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polar molecule
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molecule that has opposite charges on opposite sides
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adiabatic temperature change
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the change in temperature in a parcel of air when it rises or sinks
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evaporation
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liquid to gas
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condensation
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gas to liquid
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sublimation
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solid to gas (ice at bottom of a freezer)
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condensation nuclei
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tiny particles in the air that help with condensation. They act as something for the water to "hold on" to, usually dust or pollen.
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dew point
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temperature at which condensation occurs (temp. a cloud forms)
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capacity
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the maximum possible amount of water vapor that can in the air of a given temperature (on chart)
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deposition
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gas to solid (frost)
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saturation
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reaching maximum capacity
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relative humidity
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SH/C x 100
specific humidity/capacity x 100 |
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specific humidity
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actual amount of water vapor in the air (g/kg)
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sleet
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occurs during a winter storm
surface temperature has to be below freezing cold layer near the surface is large, the falling drops refreeze into ice pellets before they hit the ground |
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freezing rain
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occurs during a winter storm
surface temperature has to be below freezing cold layer near the surface is small, the falling drops don't have enough time to refreeze so they hit the ground as liquid and then freeze form a layer of ice on surface (black ice) |
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hail
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occurs during thunderstorms
surface temperature is above freezing |
