Basic of equilibrium

Question 1

What is chemical equilibrium?

Answer 1

• Closed system reaction
• Rate forward is equal to rate reverse
• reactants and products never used up

Question 2

How to find K^-1 ( K inverse ) ?

Answer 2

K^-1 = 1/Kc

Question 3

K x K^ -1 = ?

Answer 3

equals to 1
( = 1 )

Question 4

What phase can be use in Kc?

Answer 4

for gas gas , aq aq or liq liq
in same phase
cannot be pure solid

Question 5

What phase can be use in Kp?

Answer 5

Only gas

Question 6

How to find partial pressure?

Answer 6

P = Xp • Pt
( mol fraction of particle) x ( P total)

Question 7

in ICE TABLE do changes depends on numb of mole based on chemical equation?

Answer 7

Yes
eg: +2x , -3x , -2x, +1x

Question 8

What is the sign for PRODUCT in Changes in ICE TABLE? and Why?

Answer 8

+ve ( x )
Because product is produce ( formed)

Question 9

What is the sign for REACTANT in Changes in ICE TABLE? and Why?

Answer 9

-ve ( x )
Because reactants is consumed

Question 10

What is dissociation reaction?
“ Molecule _________ into smaller ___________ in a reversible reaction. “

Answer 10

Molecules broken out into smaller molecules/atoms/ions in a reversible reaction.

Question 11

How much is complete dissociation?

Answer 11

1 or 100% 💯

Question 12

What is thermal dissociation?

Answer 12

Reversible reaction brought by application of heat

Question 13

if Product is cooled and combine again can it give back original compound in thermal dissociation?

Answer 13

Yes

Question 14

What is calculation of Kc for?

Answer 14

to calculate concentration at equilibrium

Question 15

What is Q, reaction Quotient for?

Answer 15

to calculate concentration at any particular time