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Chem Quiz 5
Review
14
Chemistry
Undergraduate 1
11/14/2007

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Term
Potable Water
Definition
Fit for human consumption
Term
Where is water found on earth?
Definition

97.4% ocean

2.59% ice caps, glaciers, groundwater

.014% Lakes, Rivers, Atmosphere

Term
How much of earth's water is potable?
Definition

2.59% ice caps, glaciers, groundwater

.014% lakes, rivers, atmosphere, soil moisture

Term
solvent
Definition

a substance capable of dissolving other substances

Term
solute
Definition
substances that dissolve in a solvent
Term
solution
Definition
a homogeneous mixture of uniform composition
Term
aqueous solution
Definition
solutions in which water is the solvent
Term
Importance of Solvent
Definition

In our bodies: blood plasma

In the environment: water carries toxic substances

Term
concentration
Definition
the ratio of amount of ingredient to amount of water solution
Term
electronegativity
Definition
a measure of an atom's attraction for the electrons it shares in a covalent bond
Term
polar covalent bond
Definition
a covalent bond in which the electrons are not equally shared, but rather displaced toward the more electronegative atom
Term
ionic bonds
Definition
a compound consisting of oppositely charged ions
Term
hydrogen bond
Definition
the attraction between a hydrogen atom attached to O, N, or F
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