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16 Chem Ch 10 Review

review of stoichiometry

QuestionAnswer
yield of 100% product only found on paper from chemical equation theoretical yield
SI unit for amount of substance moles (mol)
Number of liters in 1 mole of any gas at STP 22.4 L
Number that tells the number of moles in a chemical equation coefficients
STP conditions 0 degrees Celsius , 1 atm
6.02 x 10^23 representative particles Avogadro's Number
Formula always using the lowest whole number ratio empirical
Formula that may not be in the lowest whole number ratio molecular
this is conserved in ALL chemical reaction (equation) mass & number of atoms
Non-SI units for volume Liters (L)
STP conditions apply to this state of matter gases
means 4 atoms tetratomic
means 2 atoms diatomic
means 8 atoms octatomic
means 1 atom monatomic
ratio of atomic mass of element / molar mass of compound x 100 percent composition
the mass of 1 mole of any substance molar mass
the mass that is the weighted average found on the periodic table atomic mass
the amount of product made when chemical reaction is performed actual yield
the reactant that is completely used up limiting reagent
the reactant that has leftovers [not completely used up] excess reagent
Created by: cadetjt
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