Equalbrium & Acid - Base

Question 1

Equilibrium Constant (𝐾)

For a reaction
aA+bB⇌cC+dD

Answer 1

K=
([A]^a * [B]^b) /
([C]^c * [D] ^d)

Question 2

if K >=1

Answer 2

products favored

Question 3

if K <= 1

Answer 3

reactants are favored

Question 4

K depends on

Answer 4

tempreture

Question 5

Le Châtelier’s Principle

Answer 5

When a system is disturbed [change in t, p, or concetration] syste shifts to reduce that disturbance

Question 6

Arrhenius Acid

Answer 6

Produces H+ (or H30+) in aqueous solution

Question 7

Arrhenius base

Answer 7

produces OH-

Question 8

Brønsted–Lowry Acid

Answer 8

Proton donor

Question 9

Brønsted–Lowry Base

Answer 9

Proton acceptor

Question 10

Lewis Acid

Answer 10

Electron pair acceptor

Question 11

Lewis Base

Answer 11

Electron pair donor

Question 12

pH

Answer 12

pH = - log(H+)

Question 13

pH < 7

Answer 13

solution is acidic

Question 14

pH > 7

Answer 14

solution is basic

Question 15

pH = 7

Answer 15

natural solution

Question 16

K a

Answer 16

Weak acid const

Question 17

K b

Answer 17

Weak base const

Question 18

Salt can be ___________ depending on the parent acid/base strengths

Answer 18

acidic, basic or neutral

Question 19

pH + pOhH

Answer 19

= 14 [at 25 C]

Question 20

Kw

Answer 20

= [H+][OH-] = 10^-14 [at 25 C]

Question 21

Kw

Answer 21

Ka * Kb