Balancing Equations Reaction Rates Types of Chemical Reaction Energy Changes
100
What is a reactant?
The substance that undergoes a change.
100
What is a reactant or product?
A catalyst is neither a ____ nor ____.
100
What is synthesis?
Makes a new compound
100
What is a reaction that gains heat, as surroundings cool down?
An endothermic reaction
200
What is a product?
The new substance formed.
200
What is reaction rate?
An increase in temperature affects the
200
What is double replacement?
Two elements are switched
200
What is an exothermic reaction?
The lighting of fire
300
What is before the element?
Where a coefficient goes in a chemical equation.
300
What is reaction rate
More collisions equals an increase in
300
What is decomposition?
H2O being broken down into hydrogen and water
300
What is an endothermic reaction?
Uses more energy in the product
400
What is a subscript?
This cannot be placed in the middle of an equation.
400
What is the area being covered?
Surface area
400
What is oxygen?
Must be in its pure form to be classified as combustion
400
What is and endothermic reaction?
Requires more energy for bonds to break






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