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ORE-LECTURE 4 - Coggle Diagram

- - - - 1: mod salinity, water + vapour bubble (high T), salinity 0-23 wt%
      - 2: >60% vapour, trapped stream (?), presence of gas rich and gas poor indicates boiling point
      - 3: halite-bearing, salinities more 50%
      - 4: CO2-rich inclusions, CO2:H2O ratio of 3 over 30 mol %
- - - - Usually chloride, oxide, sulphide and silicates
    - - Usually sulphates, carbonates and phosphates
  - - - Hard Lewis acids bond w/ hard Lewis bases (ionic bond)
      - Soft Lewis acids bond w/ soft Lewis bases (covalent bond)
      - Hard Lewis acids: small radii, +/- high charge, low polarizibility, high energy LUMOs
      - Hard Lewis bases: strongly electronegative, small radii, +/- high charge, low polarizibility, high energy HOMOs
      - Soft Lewis acids: large radii, low charge, high polarizibility, low energy LUMOs
      - Soft Lewis bases: large radii, low electronegativity, high polarizibility, low energy HOMOs
      - LUMO=lowest unoccupied molecular orbital
      - HOMO=highest occupied molecular orbital