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Rxn Rates Review

QuestionAnswer
A series of ideas used to explain the behavior of ideal gases Kinetic Molecular Theory of Gases
Reactant Particles must collide with enough kinetic energy and correct orientation to break existing bonds Effective Collision
Energy needed to start a chemical reaction Activation Energy
A chemical reaction where heat (energy) is released to the surroundings Exothermic Reaction
A chemical reaction where heat (energy) is absorbed by the system Endothermic Reaction
the ratio of product concentrations to reactant concentrations at equilibrium [K] value Equilibrium Constant
starting material in a chemical reaction Reactants
get made in a chemical reaction Products
substance that speeds up the rate of a chemical reaction without itself being used up in the process Catalyst
substances that speeds up a chemical process in living organisms Enzyme
SI unit for temperature Kelvin
measurement of the outer (exposed) surface of an object Surface Area
the mass of solute in a given volume of solution Concentration
the amount of force exerted per unit area of a surface Pressure
a measure of the average kinetic energy of the particles of a substance Temperature
any change or disturbance that disrupts the equilibrium of a system Stress
System shifts to counteract changes in equilibrium. Le Chatelier's Principle
an unstable or short-lived arrangement of atoms formed when activation energy is reached ; highest energy point on reaction pathway Activated Transition Complex
gets dissolved in a solution (lesser amount) Solute
does the dissolving in a solution (higher amount) Solvent
only state of matter affected by pressure changes Gases
method of making a liquid less concentrated by adding more solvent Diluting
Created by: cadetjt
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