When the forward and reverse reactions are proceeding at the same rate
What is equilibrium?
100
This law states that in a chemical system there is constant ratio between products and reactants
What is the Law of Chemical Equilibrium?
100
This stress only affects equilibrium reactions with at least one gas
What is pressure changes?
100
The name of Mrs. Aitken's cat
What is Booth?
200
A still sealed pop can is classified as a type of system.
What is closed equilibrium?
200
Kc only measures the values of the concentrations during a specific point in the reaction.
What is equilibrium concentration?
200
This is the only stress that can change the Kc value
What is temperature?
200
The study of insects
What is entomology?
200
At equilibrium the reactions at a--------- level appear to have stopped BUT are still proceeding on a ---------- level.
What is macroscopic and microscopic?
300
These need to be kept constant to MAINTAIN equilibrium
What is temperature and pressure (closed system)?
300
The Kc value of a reaction will be relatively large if something is favored
What are products?
300
This addition of this will speed up BOTH the rate of the forward AND reverse reactions.
What is a catalyst?
300
N2(g) + 3 H2(g) <------> 2 NH3(g) + energy
For the position of the equilibrium to shift toward the products, the pressure of the system should be ___i___ by adjusting the volume of the closed system and the temperature should be ___ii___.
What is increased & decreased
400
If Kc x 1000 is < than initial [reactant] then this rule is used.
What is the Rule of Approximation?
400
If these states are present in a heterogeneous reaction they should NOT be included in the equilibrium equation.
What is solids or pure liquids?
400
Fe3+ + SCN- <------> FeSCN2+
If I added Fe3+ to the system the reaction would favor....
What is products?
400
Alcohols have this type of functional group
What is hydroxyl (OH)?
400
2 NOCl(g) < -----> 2 NO(g) + Cl2(g)
If NOCl(g) was removed from the system, the concentrations of NO(g) and Cl2(g) would ___i___ and the equilibrium constant would ___ii___.
What is decrease, remain the same?
500
An increase in pressure (decrease volume) will favor the side with the---------amount of molecules
What is least?
500
In the equilibrium equation a certain number is used as the exponents.
What is reaction coefficients?
500
N2O4 + 58.0 kJ <---> 2NO2
In order to favor the products the temperature would need to...
What is increase?
500
Avogadros Number
What is 6.02 x 10 23
500
Suggest three ways to increase concentration of SO3 in this reaction:
2SO2 +O2 <-----> 2SO3
What is :
1. remove SO3
2. increase either SO2 or O2
3. increase pressure (decrease volume)