Amount of Substance

Descrição

Chemistry (Amount of Substance) Mapa Mental sobre Amount of Substance, criado por Beth Ritchie em 13-11-2013.
Beth Ritchie
Mapa Mental por Beth Ritchie, atualizado more than 1 year ago
Beth Ritchie
Criado por Beth Ritchie aproximadamente 11 anos atrás
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2

Resumo de Recurso

Amount of Substance
  1. Relative masses
    1. Relative atomic mass
      1. The average mass of one atom of an element/1/12th the mass of an atom of C12
      2. Relative molecular mass
        1. Average mass of one molecule/1/12th the mass of an atom of C12
        2. Relative formula mass
          1. (For Ionic compounds) Average mass of one ionic compund/1/12 the mass of C12
        3. Avogadro's constant
          1. The number of atoms in 1g of hydrogen is 6.022 x 10^23
            1. Definition: The number of atoms in 12g of carbon 12.
              1. The mole contains this number of particles
              2. Number of moles
                1. n = m/Mr
                  1. n = c x v
                    1. n = vol x 24
                      1. n = PV/Rt
                      2. Formula
                        1. Empirical Formula
                          1. 1) Atoms 2) Mass 3) Moles 4) Ratio 5) Formula
                          2. Molecular Formula
                            1. Divide actual Mr by the Mr of the empirical formula
                          3. Ionic Equations
                            1. Get rid of spectator ions
                            2. Balencing equations
                              1. Fractions can be used for gasses, make sure numbers add up on both sides

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