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19 Cards in this Set
- Front
- Back
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atom |
what all matter is made of |
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molecule |
results from the chemical combinations of atoms into larger particles |
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covalent bond |
the bond formed by the sharing of a pair of electrons by 2 atoms |
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hydrogen bond |
a bond in which a H atom has a covalent link with one electronegative atom (F, N, O) |
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temperature |
the measure of coldness or warmth of an object or substance with reference to some standard value ocean water density is most influenced by thus measure |
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evaporation |
when a molecule of water moves fast enough to break free all hydrogen bonds |
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latent heat of melting |
the energy for the phase change and between a liquid and a solid to occur without a change in temperature |
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heat capacity |
the heat required to raise the temp of a substance one degree |
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latent heat of evaporation |
the amount of heat required to turn a unit mass of liquid at its boiling temp into a unit mass of gas at the same temp |
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cohesion |
the molecular force between particles within a body or substance that acts to unite them |
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surface tension |
the elastic force existing in the surface of a body minimizing the area of the surface |
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viscosity |
the measure of the extent to which a fluid possesses this property |
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ions |
electrically charged particles |
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salinity |
the amount of salt in water |
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polar molecules |
a molecule in which the centroid of the positive charges is different from the centroid of the negative charge |
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thermohaline |
the density changes due to both temp and salinity |
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thermocline |
water of different temps |
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pycnocline |
where waters of different densities meet |
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halocline |
water of different salinities meet |
