Chemistry Stoichiometry
percentage yield
What is the ratio of the actual yield to the theoretical yield, multiplied by 100%
Stoichiometry
Which branch of chemistry deals with the mass relationships of elements in compounds and the mass relationships among reactants and products in chemical reactions?
the mass of potassium required to produce a known mass of potassium chloride
Which of the following would be investigated in reaction stoichiometry?
mole ratio of any two substances in the reaction
a balanced chemical equation allows one to determine the
same number of each kind of aom appears in the reactants and in the products
a chemical equation is balanced when the
limiting reactant
a chemical reaction involving substances A and B stops when B is completely used. B is the?
percentage yield
a chemist interested in the efficiency of a chemical reaction would calculate the
composition stoichiometry
a determination of the masses and number of moles of sulfur and oxygen in the compound sulfur dioxide would be studied in
mole ratio
each of the four types of reaction stoichiometry problems requires using a
the actual yield is equal to the theoretical yield
if the percentage yield is equal to 100%, then
less than the theoretical yield
in most chemical reactions the amount of product obtained is
1:2
in the reaction represented by the equation N2 + 3H2 = 2HN3, what is the mole ratio of nitrogen to ammonia
g/mol
the unis of molar mass are
available amount of each reactant
to determine the limiting reactant in a chemical reaction, one must know the
theoretical yield
what is the maximum possible amount of produce obtained in a chemical reaction?
actual yield
what is the measured amount of a product obtained from the chemical reaction?
reaction stops
when the limiting reactant in a chemical reaction is completely used, the
1,1,2
which coefficients correctly balance the formula NH4NO2 + N2 + H2O
limiting reactant
which reactant controls the amount of product formed in a chemical reaction?
