CHEM1020 Module 3 - Kinetics

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Department
Chemistry
Course
CHEM1100
Professor
Gwen Lawrie
Semester
Spring

Description
KINETICS RATE OF REACTION Spontaneity: the inherent tendency of the reaction to occur, not the rate at which the reaction will occur Rate of reaction: how long it takes a system to reach equilibrium  Determined by rate of disappearance of reactants, or rate of appearance of the products  Expressed as a positive number to indicate forward movement Rate = -d[A]/dt = d[C]/dt -1-1 Rate = concentration /time (units conc. per unit time - mol L s ) FACTORS AFFECTING RATE OF REACTION 1. Chemical nature of the reactants 2. Ability of the reactants to come in contact – surface area for heterogeneous reactants 3. Temperature 4. Concentration REACTION RATE A  B C increases at same rate that A and B disappear A  2B B increases at 2times rate that A disappears RATE LAWS Rate Laws: relationship between the rate of the reaction and the concent
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