Kc- Equilibrium Constant

Question 1

What is a homogenous equilibrium

Answer 1

Has all reactants and products present in the same phase

Question 2

What is a heterogenous equilibrium

Answer 2

Has products or reactants in a different phase to the rest

Question 3

What does Kc express the value of

Answer 3

Expresses the value of the ratio between the concentrations of the products to reactants which is constant in a closed system

Question 4

What do square brackets indicate [ ]

Answer 4

Indicate concentration in moldm-3

Question 5

How to calculate equilibrium constant

Answer 5

[products]to power of mole in front of compound in equation/[reactants]to power of mole in front of compound in equation x [reactants]

Question 6

What value of Kc indicates equilibrium lies further to the right hand side

Answer 6

If value greater than 1

Question 7

What value of Kc indicates equilibrium lies further to the left hand side

Answer 7

If value of Kc is less than 1

Question 8

Is the value of Kc affected by concentration change

Answer 8

No

Question 9

Is the value of Kc affected by the use of a catalyst

Answer 9

No

Question 10

Is the value of Kc affected by changing the reaction temperature

Answer 10

Yes as the equilibrium positions changes resulting in different concentrations of reactants and products