Potential energy - Red Hook Central School District

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Potential energy - Red Hook Central School District
Potential Energy Diagrams
Reactants
Products
A+B
C + D + HEAT
PE of Reactants
Reactants
Products
A+B
C + D + HEAT
PE of Reactants
Reactants
Products PE of Products
A+B
C + D + HEAT
* Activated Complex
PE of Reactants
Reactants
Products PE of Products
A+B
C + D + HEAT
Activation
Energy
* Activated Complex
PE of activated complex
PE of Reactants
Reactants
Products PE of Products
A+B
C + D + HEAT
Activation
Energy
* Activated Complex
PE of activated complex
PE of Reactants
Reactants
A+B
H
Heat of
Products PE of Products
Reaction
C + D + HEAT
Heat of reaction =
Heat of products – Heat of Reactants
+
Reactants
A+B
H = exothermic
H = endothermic
H
Heat of
Products
Reaction
C + D + HEAT
Don’t ask WHY,
use Table I!
Catalyst:
Lowers the Activation Energy of both
Forward and Reverse reactions
A+B
C + D + HEAT

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