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23 Cards in this Set
- Front
- Back
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Water is polar or non polar |
Polar opposite sides of molocule has opposite charge |
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Emergent properties of water |
Cohesion Ability to moderate temp Expands upon freezing Universal solvent |
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Cohesion |
Hydrogen bonds hold water molocules together |
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Adhesion |
Water attracted between different substances |
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Surface tension |
Measure of how hard it is to break surface of a liquid |
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Heat |
Total amount of Kinetic energy due to molecular motion |
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Temperature |
Measures intensity of average kinetic energy in motion. |
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Celsius |
Boiling 100 Freezing 0 Body temp 37 |
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Calorie |
Amount of heat required to raise temp of 1g of water 1 degree measured in food as kila_____ |
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Specific heat |
Is the amount of heat that must be gained or lost for 1g of substance to change temp by 1degree |
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Sweat function |
Evaporative cooling |
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Solution |
homogeneous mixture of a substance |
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Solvent |
Dissolving agent of solution |
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Solute |
Substance that is dissolved |
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Water is universal solvent because |
Is polar and forms hydrogen bonds easily |
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Hydrophobic |
A substance doesn't have an affinity for water |
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Hydrophilic |
Affinity for water |
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Colloid |
Stable suspension of particles in a liquid eg. Oil on water |
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Acid |
Ph below 7 has more hydrogen ions H+ |
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Base |
Has ph above 7 Has more hydroxide ions OH- |
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Buffer |
Substance that minimizes change in concentration of H+ and OH- in a solution |
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Warming of earth |
Green house effect |
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Cause of decrease in ability of corals to form calcified reefs |
Acidification of ocean more HCO3 less CO3^2 |
