Chemistry Unit One Equations

  • Created by: Laura
  • Created on: 30-12-12 10:48
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  • Equations
    • Empirical Formula
      • Step One:  For each element in the compound, divide the mass by the Ar of that element.
        • Step Two: divide each of these numbers by the smallest number.
    • Atom Economy
      • mass of desired product/ total mass of reactants X 100
    • Percentage Yield
      • Actual Yield/ Theoretical Yield X 100
    • Concentration
      • Concentration= moles/ volume
      • Moles= Concentration x Volume
    • Ideal Gas Equation
      • PV= nRT
        • P= Pa V= m cubed n= moles R= gas constant- 8.31 T= K
    • Moles
      • Moles= mass/ Mr


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