Clemson Chem 1010 Exam 3 with complete verified solutions(GUARANTEED SUCCESS)
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Course
Chem 1010
Institution
Chem 1010
Stoichiometry
the mole ratios among the reactants and products in a chemical reaction
chemical equation
a description of the identities and proportions of reactants and proucts
reactants
substances consumed during a chemical reaction
products
substances formed during a ch...
Clemson Chem 1010 Exam 3 with
complete verified
solutions(GUARANTEED SUCCESS)
Stoichiometry - answer the mole ratios among the reactants and products
in a chemical reaction
chemical equation - answer a description of the identities and proportions
of reactants and proucts
reactants - answer substances consumed during a chemical reaction
products - answer substances formed during a chemical reaction
molecular mass - answer the mass in amu of one molecule of a molecular
compound
molar mass - answer the mass of one mole of a substance
formula mass - answer mass in amu of one formula unit of a compound
law of conservation of mass - answer the principle that the sum of the
masses of the reactants in a chemical reaction is equal to the sum of the
masses in the products
percent composition - answer the composition of a compound expressed in
terms of the percentage by mass of each element of the compound
empirical formula - answer a formula showing the smallest whole number
ratio of elements in a compound
, limiting reactant - answer a reactant that is consumed completely in the
chemical reaction. the amount of product depends on this.
theoretical yield - answer max amount of product possible in a chemical
reaction for given quantities of reactants
percent yield - answer ratio, expresse as a percentage of the actual yield
to the theoretical yield
moles to grams - answer ( moles given )
x (grams per mole) = grams
grams to moles - answer (grams given)
x (moles per gram) = moles
chemical formula to atoms - answer use moles!
(moles)
x (atoms per mole..avo's number)
determine limiting and excess reagent - answer 1. grams of a
2. to moles of a available
3. to moles of b needed
4. grams of b to moles of b available
5. compare
6. moles of product + moles of excess....USE TO FIND grams of product
and grams of excess
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