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19 Cards in this Set

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  • Back
Chemical Raction
Synonymous with chemical change
Stoichiometry
The area of study that examines the quantities of substances consumed and produced in chemical reactions
Chemical Equation
A representation of a chemical reaction
Chemical Formula
A notation used to indicate the composition of a compound, consisting of the atomic symbols for the different elements of the compound and numerical subscripts indicating the ratio in which the atoms combine.
Reactant
A starting material in a chemical reaction, appearing before the arrow in a chemical equation
Product
A new material formed in a chemical reaction, appearing after the arrow in a chemical equation
decomposition Reaction
In this type of reaction, two or more products combine to form one product
Combustion Reaction
Rapid reactions that take produce a flame. Normally take place in air.
Combination Reaction
In this type of reaction, two or more products combine to form one product
Formual Weight
The sum of the atomic masses of the atoms in a chemical compound or element
Molecular weight
the sum of the atomic masses of the atoms in a molecule
Percentage Composition
the percentage by mass contributed by each element in a substance
Avogadro's Number
The number of particles-6.02 times 10 to the 23rd power- contained in 1 mole of anything
molar mass
the mass of 1 mole of a substance
Empirical Formula
Formula that gives the relative numbers of atoms of each kind
molecular formula
Formula that gives the actual numbers of atoms of each kind
Limiting Reactant
The reactant that determines the amount of product formed
Theoretical Yield
The quantity of product that is calculated to form when all the limiting reactant reacts.
Actual Yield
the actual amount of product produced by a reaction