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What uses chemical formulas and symbols to show a chemical reaction.
Chemical Equations
The formula for Carbon Dioxide is
CO^2
The formula for Ammonia is
NH|
The formula for Ammonia is
NH^3
What are substances on the left called
reactants
What are substances on the right called in a chemical equation
products
In a chemical equation reactants on the left yield what?
products
What are the 4 types of reactions
synthesis, decomposition, single replacement & double replacement
When two or more elements/ compounds combine to make a more complex substance. ‘Synthesize’ means to put things together.
Synthesis Reaction
What is the process that breaks down compounds into simpler products.
decompostions
When one element replaces another in a compound.
Single Replacement
This is when elements in one compound appear to “trade places” with elements in another compound.
double replacement
This states that matter is neither destroyed or created
Law of the Conservation of Mass
A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound
subscript
What are the numbers called in front of an element in a chemical equation
coefficient
What is energy needed to start a chemical reaction
activation energy
