1.10: Kp, Equilibrium constant Flashcards
1
Q
What is a homogeneous reaction?
A
All reactants and products are in the same phase
2
Q
Equation for partial pressure of A
A
mole fraction of A X total pressure
3
Q
Equation for mole fraction of A
A
no. of moles of gas in mixture / no. of moles of total gases
4
Q
What is the only condition which can cause Kp to change value?
A
temperature
5
Q
What side is equilibrium on if Kp is greater than 1?
A
right
6
Q
What side is equilibrium on if Kp is less than 1?
A
left
7
Q
How to work out Kp?
A
1) initial moles
2) change in moles
3) equilibrium moles
4) mole fraction
5) partial pressure
6) Kp expression
8
Q
Example question: Working out partial pressure
A
x method:
1) initial pressure
2) change in pressure (in x)
3) equilibrium pressure (in x)
4) rearrange Kp equation
9
Q
A
