Chapter 9

Question 1

What is not included in the kc expression?

Answer 1

solids and liquids

Question 2

If K > 1, ___ are favored.

If K < 1, _____ are favored

Answer 2

products, reactants

Question 3

Describe what the following relationships mean:

Q > K
Q < K
Q = L

Answer 3

Q > K = Q is too big; shift left
Q < K = Q is too small; shift right
Q = K mean that the reaction is at equilibrium

Question 4

What are the 4 things that equilibrium is disturbed by?

Answer 4

1) adding or removing reactants or products
2) changing temperature
3) changing volume or pressure
4) adding a catalyst

Question 5

If equilibrium was disrupted by changing volume, the reaction will shift in what type of fashion?

Answer 5

Shifts in whatever direction to reduce number of gas molecules

Question 6

If equilibrium was disrupted by changing pressure, the reaction will shift in what type of fashion?

Answer 6

Shifts in whatever direction to give more gas molecules

Question 7

How do you determine if precipitation will occur, given Q?

Answer 7

Q > KSP = precipitation

Q < KSP = no precipitation