Chemistry of Life 2.4 Chemical Reactions.

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Presentation transcript:

Chemistry of Life 2.4 Chemical Reactions

I) Chemical Reaction: Change substance into different substance by breaking and forming chemical bonds Reactant Product

Bond Energy Video II) Bond Energy: Amount of energy that will break bond between two atoms Bond Energy Video

Activation Energy Video III) Exothermic reactions: Heat is released Activation Energy Video

IV) Endothermic reaction: Heat is absorbed

IV) Endothermic reaction: Heat is absorbed

V) Equilibrium: is reached when both the reactants and products are made at the same rate

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