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8 Cards in this Set
- Front
- Back
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polarity
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an unequal distribution of charge. There is more negative charge in oxygen atoms, more positive charge in hydrogen atoms
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solution
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a homogeneous(all of the same or similar kind or nature) mixture of two or more substances; frequently a liquid solution
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adhesion
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sticking to something different than itself. Water sticks to glass because it is slightly polar. it does not stick to oil or wax becasue they have to polarity
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cohesion
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sticking to others of the same kind. Water molecules stick to other water molecules. It will stick to any molecule with any polarity
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hydrogen bond
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a very weak chemical bond. When a hydrogen's electron is in between 2 oxygen atoms, it forms a bond because it is attracted to both oxygens on either side.
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buffer
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an ionic compound that resists changes in its pH
add a buffer (a solution) |
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acid
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any of various water-soluble compounds having a sour taste and reacting with a base to form a salt
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base
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nucleotide: the basic structural unit of nucleic acids (DNA or RNA)
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