9 - MARS 1020 2/02/09 Properties of Seawater The Properties...

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MARS 1020 2/02/09 1 Properties of Seawater The Properties of Seawater H 2 0+ + Salt
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MARS 1020 2/02/09 2 Æ Bipolar Molecule Æ H-Bonds Æ “Universal Solvent” Really Good
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MARS 1020 2/02/09 3 20 10 Æ High Heat Capacity 28 25 20 10 25 Sea Surface Temperature (°C) 5 0 -1 Density = g / ml (grams / milliliter) Generally , as Temp Ø , Density × Generally , Density (solid) > Density (liquid)
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MARS 1020 2/02/09 4 Liquid Water at 0°C Density of (liquid) H 2 0 1 g/cm 3 0 C Ice at 0°C Temperature °C Ice Liquid Water 0°C 20°C Density = g / ml (grams / milliliter) Generally , as Temp Ø , Density × Generally , Not H 2 O! ( < 4°C) Not H 2 O! Density (solid) > Density (liquid)
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MARS 1020 2/02/09 5 The Properties of Seawater H 2 0+ + Salt Salinity = grams Salt / liter Seawater Composition of Sea Water ION Concentration (g / kg) Fraction of Salinity Chloride (Cl - ) 19.4 55.0 % Sodium (Na + 10 8 30 6 Sodium (Na ) 10.8 30.6 Sulfate (SO 4 -2 ) 2.7 7.7 Magnesium (Mg +2 ) 1.3 3.7 Calcium (Ca +2 ) 0.4 1.2 Potassium (K + ) 0.4 1.1 [Other Ions] [0.1] [0.7] TOTAL 35.1 100 % NaCl (“table salt”) = 86% of sea salt
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MARS 1020 2/02/09 6 Sea Water Salt Composition Cl Na + Mg
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This note was uploaded on 03/22/2009 for the course MARS 1020 taught by Professor Binder during the Spring '08 term at University of Georgia Athens.

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9 - MARS 1020 2/02/09 Properties of Seawater The Properties...

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