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Properties of Water
2.2
24
Biology
9th Grade
11/17/2013

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Term
Cohesion
Definition
Attraction of molecules of same substance
water
produces surface tension
Term
Adhesion
Definition
Attraction between molecules of different substances
Capillary action
Term
Acid, Base
Definition
1. Placed in water, releases hydrogen ions
2. Placed in water, receives hydrogen ions
Term
pH
Definition
Hydrogen concentration in a solution
Term
Solute
Definition
Substrate that dissolves in a solution
Term
Solvent
Definition
Substance that a solute dissolves in
Term
Buffer
Definition
Weak acids/bases
React w/ strong acids/bases
Prevent sudden changes in pH
Homeostasis
Term
Mixture
Definition
Material made of two or more elements that are not chemically combined
Term
pH scale
Definition
Indicates concentration of hydrogen ions in a solution
Term
Solution
Definition
Components are evenly distributed
ions become dispersed
Term
Suspension
Definition
Materials don't dissolve in water, separate, stay suspended
Term
Hydrogen Bond
Definition
H+ with partial + charge and another atom with partial - charge
Term
Isomerism
Definition
two or more compounds with the same formula but different arrangement
Term
Dehydration synthesis
Definition
two substances combined by releasing water
Term
Amino Acid
Definition
Amino group on one end and carboxyl group on the other
Term
Carbohydrate
Definition
Compound made of carbon, hydrogen, oxygen atoms
Nutrient, source of energy
Term
Nucleic Acid
Definition
Macromolecules containing Hydrogen, Oxygen, Nitrogen, Carbon, and Phosphorus
Term
Monosaccharide
Definition
Simple Sugar Molecule
Term
Monomer
Definition
Small chemical unit
Makes up polymer
Term
Lipid
Definition
Macromolecule
Term
Protein
Definition
Macromolecule that contains
Carbon, Hydrogen, Oxygen and nitrogen
Term
Polymer
Definition
Molecules made of monomers
make macromolecules
Term
Maltose
Definition
Disaccharide that consists of two glucoses
Term
Sucrose
Definition
Glucose and Sucrose
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