Ch. 3 Chemistry Vocabulary

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Author:
GreenCows
ID:
181275
Filename:
Ch. 3 Chemistry Vocabulary
Updated:
2012-11-02 00:37:58
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Chemistry Vocabulary
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Description:
Stoichimetry
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  1. Chemical Stoichiometry
    the quantities of materials consumed and produced in chemical equations
  2. Mass Spectrometer
    instrument that is currently the most accurate method available for comparing the masses of atoms
  3. Average Atomic Mass
    average mass or atomic mass for an element
  4. Mole
    represents 6.02 x 10^23 items (atoms, formal units, molecules)
  5. Avogadro's Number
    one mole of something consists 6.02 x 10^23 units of that substance
  6. Percent Composition
    allows to determine the mass percents of the elements present in a compound.
  7. Empirical Formula
    of a compound, is the simplest ratio possible for two or more elements.
  8. Molecular Formula
    multiples of the empirical formula
  9. Molar Ratio
    used to convert from one substance to another in a balanced equation. Given by coefficients in a balanced equation.
  10. Limiting Reactant
    limits the amount of product produced because it runs out first.
  11. Percent Yield
    • the actual yield of the product.
    • % Yield = (actual yield) / (theoretical yield) x 100

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