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Joy Sun, Per 3 (Solution (solubility trend (The solubility of MOST solids…

- - - - bond between A and B is stronger
        
        exothermic
    - - bond in each molecule is stronger
        
        endothermic
- - - - Stronger strength of attraction
        
        greater lattice energy
        
        Harder to break/dissolve/shorter bond length
    - - Stronger strength of attraction
        
        Greater lattice energy
        
        harder to break/ dissolve/shorter bond length
  - - - unequally shared
      - electronegativity differences between 0.3 to 1.7
    - - equally shared
      - electronegativity differences between 0 to 0.3
  - - - The bonding atomic orbitals are parallel to each other and perpendicular to the axis connecting the two bonding nuclei
    - - interacting atomic orbitals point along the axis connecting the two bonding nuclei
- - - - stronger attraction
    - - stronger
- - - - Zeff increase, need to energy to remove an e-
    - - Increase in shielding
  - - - Zeff increase, stronger pull
    - - Zeff relatave the same but increase energy level.
- - - - slope=-k
        
        t_1/2=ln2/k
        
        Unit: s^-1
    - - slope:k
        
        t_1/2=1/k[A]_0
        
        Unit: M^-1s^-1
    - - slope: -k
        
        Half life:t_1/2=[A]_0/2k
        
        Unit: Ms^-1
  - - - Intermediates: chemicals not occurring in the overall reaction, first product, then reactant
      - Catalyst: give a faster pathway with a lower activation energy, first occur in reactant, than product
      - If an intermediate is in step before rate determining step, set krev=kforward, solve for intermediate, plugin to rate determining step.