Ch 12: Stoichiometry Flashcards
A balanced chemical equation provides the same kind of quantitve information that a ______ does.
recipe
Chemists use balanced chemical equations as a basis to calculate how much ________ is needed or _______ is formed in a ________.
reactant
product
reaction
How can a balanced equation be interpreted in terms of different quantities?
Numbers of atoms, molecules, or moles; mass; and volume.
Quantities measured in chemical equations are usually ___ ____ for any ____________.
too small
significance
Reactions usually make up way ____ than 2 molecules.
more
What do coefficients represent?
Proportions
What can coefficients equal and why?
Moles; 6.02 X 10^23 is proportional.
Number of atoms: a balanced equation indicates the ______ and ____ of each atom that makes up each ________ and _______.
number
type
reactant
product
Mass conversion: ____ and atoms are _________ in every chemical reaction
mass
conserved
In chemical equations, ____ ______ are used to _______ between moles of reactants and moles of product, between moles of reactants, or between moles of products.
mole ratios
convert
Why is it called mole-mole stoichiometry?
Moles are give and the answer is also in moles.
What do you use to solve mole-mole problems?
Coefficients from balanced chemical equations.
______ of something will not limit the equation because there is plenty.
Excess
The solving method is not always moles-moles or mass-mass; sometimes they are __________.
intermixed
In a chemical equation, an insufficient quantity of any of the reactants will _____ the amount of _______ that forms.
limit
product
