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Feb 05, 2004 20:37

Activation Energy- amount of energy required for a chemical reaction t start and to continue on its own.

Catalyst- a chemical that reduces the amount of activation needed for a reaction but is not a reactant.

Endergonic reaction- a chemical reaction that involves a net absorption of free energy

Energy- the ability to do work or cause change

Enzyme- a catalyst, usually a protein, in living systems

Exergonic reaction- a chemical reaction that involves a net release of free energy

Free energy- the energy in a system available for work

Oxidation reaction- the chemical reaction in which the reactant loses one or more electrons, becoming more positive in charge

Product- a compound or atom involved in a chemical reaction

Reactant- a compound or atom involved in a chemical reaction

Redox reaction- a redox-oxidation reaction in which electrons are transferred between atoms

Reduction reaction- a chemical reaction in which a reactant gains one or more electrons, becoming more negative in charge.

State- solid, liquid, or gas, a state of matter
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