Water Properties – Flashcards
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Polar
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having positive and negative charges
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H2O
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the formula for water (2 hydrogen and 1 oxygen)
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Cohesion
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water being attracted and sticking to other water molecules, like a magnet
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Adhesion
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water being attracted or sticking to other particles
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Capillary Action
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the combined force of cohesion and adhesion.
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Capillary Action
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this property allows water to get into the pores of a paper towel and move up, against gravity.
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Surface Tension
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the tightness on the top layer of water due to cohesion
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Surface Tension
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this property allows a water strider to walk on the top layer of water without falling in
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Universal Solvent
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water's high polarity (10.2) makes it the ideal liquid to dissolve many polar substances
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Solvent
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a liquid that can dissolve a solute
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Solute
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a substance that can dissolve in liquid
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Solution
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a mixture that is formed with a solute dissolves in a solvent
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Molecule
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a material made when atoms join together
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Atom
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the smallest part of an element
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Density
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the compactness of a material
water's density is 1 g/mL
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Hydrogen Bond
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a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.
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Hydrophilic
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having a tendency to mix with, dissolve in, or be wetted by water.
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Hydrophobic
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tending to repel or fail to mix with water.
