Chemical Reactions
Published on Nov 19, 2015
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PRESENTATION OUTLINE
Chemical Reactions
A presentation by Anh
What Are Chemical Reactions?
A set of substances that change to form a new substance.
Reactants in a Chemical Reaction:
The substances that are changing in the chemical reaction
Products in a Chemical Reaction:
The results of a chemical reaction
The Law of Conservation of Matter
Matter cannot be created nor destroyed
Change of Color
Photo by Donis Indriunas
Change of Color
Untitled Slide
Photo by Scot Nelson
Precipitate Formation
Exothermic Change
(Increase of Temperature, Energy Release, Production of light)
Endothermic Change
(Decrease of Temperature, Absorption of Energy)
Types of Chemical Reactions
Two reactants/substances that react to yield a new product.
Untitled Slide
Decomposition
A reactant breaks down into products.
Untitled Slide
Combustion
A hydrocarbon reacts with oxygen to form carbon dioxide and water
Single Replacement
or Single Displacement
An element changes positions in a chemical compound.
AX + B → BX + A
Double Replacement
or Double Displacement
