IMPORTANT equations

Question 1

Gibbs free energy

Answer 1

delta H - T delta S

Question 2

[H+] [OH-] =

Answer 2

1/0 x 10^-14 M

Question 3

H+ and pH

Answer 3

pH = -log10 [H+]

Question 4

dissociation of acid constant

Answer 4

[H+] [A-] / HA where HA is the weak acid and A- is the conjugate base

Question 5

equation for pH of any aqueous solution

Answer 5

[H+] [OH-] = 1.0 x 10^-14 M

Question 6

pKa =

Answer 6

-logKa

Question 7

disassociation of water

Answer 7

[H+] [OH-] / H2O

Question 8

h-h equation

Answer 8

pH = pKa + log (A-/HA) where A- = CB and HA is weak acid