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chempg35&39

QuestionAnswer
catalysts These can reduce the amount of activation energy needed to start a reaction.
energy The ability to do work.
oxidation reaction When a reactant loses one or more electrons becoming positive in charge.
reactants The ‘ingredients’ in a reaction.
activation energy The amount of energy needed to start a reaction.
enzyme A protein that speeds up a reaction of works on a substrate without being changed or destroyed in the process.
reduction reaction When a reactant gains one or more elections becoming negatively charged in the process.
products In a chemical equation, these compounds and/or molecules are on the right hand side.
polar A compound with an uneven distribution of charge.
hydrogen bond This type of bond joins water molecules.
solution A mixture in which one or more substances are uniformly distributed in another substance.
chemical reaction Substances combine to produce one or more different substances that can not be separated by physical means.
metabolism The term used to describe all the reactions that occur in an organism.
hydroxide ion The OH- dissolved in aqueous solution that creates a base.
pH scale A numerical chart that is used to compare acids and bases.
acid Has a pH below 7.
base Has a pH above 7.
solute The substance dissolved in the solvent.
redox reaction When electrons are transferred between atoms.
buffer A substance that helps to maintain the neutrality of a substance.
concentration The amount of solute dissolved in a solvent.
Created by: jensenc
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