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Chemistry Equations - Unit 4 (rates and equilibrium)

  1. Rate Equation
    Image Upload 1
  2. Calculation Rate
    Image Upload 2
  3. Colorimetry
    Br2 +HCOOH → 2Br- + CO2 + 2H+
  4. Volume of gas
    CaCO3 + 2H+ → Ca2+ + H2O + CO2
  5. Clock reactions
    H2O2 + 2I- + 2H+ → I2 + 2H2O


    S2O32- + 2H+ → S + SO2 + H2O
  6. Arrhenius Equation
    Image Upload 3
  7. SN1
    Image Upload 4
  8. SN2
    Image Upload 5
  9. Total entropy
    Image Upload 6
  10. Entropy of system
    Image Upload 7
  11. Entropy of Surroundings
    Image Upload 8
  12. Enthalpy of solution
    Image Upload 9 -lattice energy + sum of hydration energies of all ions
  13. Total entropy and equilibrium
    Image Upload 10
  14. Kc
    • For reaction xA + yB ⇋ nC = mD
    • Image Upload 11
  15. Kp
    • For equation xA(g) + yB(g) ⇋ mR(g) + nS(g)
    • Image Upload 12
  16. Mole fraction and partial pressure
    • Mole fraction=n° of mol of gas/total n° of mol of gas
    • For a gas A:
    • p(A)= (mol of A/total n° of mol) x P
  17. Ka
    • For equation HA + H2O ⇌ H3O+ +A-
    • Image Upload 13
    • H2O is not included since conc. is constant in aq soln.
  18. Kb
    • For equation NH3 + H2O ⇌ NH4+ +OH-
    • Image Upload 14
  19. Kw
    • Image Upload 15 or Image Upload 16
    • Its value is 1x10-14 mol2dm-6
  20. pH
    pH=-log[H+]
  21. pK's
    • pKw= -logKw
    • pOH= -log[OH-]
    • pKa= -logKa or  Ka=10-Ka
  22. Buffer solution
    Image Upload 17
  23. Indicator
    • Image Upload 18
    • Kind = [H+] or pH = pKind
Author
valentinafunaro
ID
317086
Card Set
Chemistry Equations - Unit 4 (rates and equilibrium)
Description
chemistry
Updated

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