15 terms

# Stochiometry

###### PLAY
Molar mass
Grams, Amu
combustion
A _______ reaction is when oxygen combines with another compound to form water and carbon dioxide
decomposition
a complex molecule breaks down to make simpler ones
Combination
two or more simple compounds combine to form a more complicated one
formula weight
the sum of atomic weights of each atom in its chemical formula
molecular weight
sum of atomic weights
% element
(# of atoms)(atomic weight of element)/(formula weight) x100=__________
mole (mol)
amount of matter that contains as many objects (atoms, molecules) as the number of atoms
molar mass
the mass of one mol of a substance in grams; equal to formula weight in Amu
molecular formula
molecular weight/empirical formula weight=______
limiting reactant
it determines, or limits the amount of product formed
theoretical yield
the quantity of the product that is calculated to form when all of the limiting reactants react
percent yield
actual yield/theoretical yield x 100=____________
empirical formula
grams to moles....divide each number of moles by smallest mole
mole