Stoichiometry Question Preview (ID: 19559)
Chapter 9
Chemistry Addison-Wesley.
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To find a mole ratio you
a) put the coefficient of what you are looking for over the coefficient of what you know.
b) put the coefficient of what you know over the coefficient of what you are looking for.
c) put the coefficient of what you are looking for over one.
d) put the coefficient of what you are looking for over the sum of all the coefficients .
The ratio that is determined from a balanced chemical reaction that is used to determine quantities is called a
a) determining ratio
b) mole ratio
c) mouse ratio
d) actual ratio
The substance that determines the amount of product that can be formed is called
a) determining reactant
b) limiting reactant
c) excess reactant.
d) final reactant.
The calculations of quantities in chemistry is called
a) addition.
b) linear regression.
c) calculus.
d) stoichiometry
The maximum amount of products that can be formed from given amounts of reactants is called
a) actual yield.
b) final yield.
c) There is no name for it.
d) theoretical yield.
The ratio of the actual yield to the experimental yield is called the
a) theoretical percentages.
b) percent yield.
c) amount that you get.
d) conserved yield.
In a chemical reaction
a) both mass and the number of atoms are conserved.
b) only mass is conserved.
c) the number of moles is always conserved.
d) What is a chemical reaction?
The reactant that there is more than enough of to react with the other reactant is called the
a) limiting reactant
b) excess reactant
c) theoretical reactant.
d) actual reactant.
The amount of product that forms in the laboratory when an experiment is carried out is called the
a) theoretical yield.
b) normal yield.
c) actual yield.
d) percent yield.
The starting materials in a reaction are called
a) products
b) beginnings
c) reactants
d) endings
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