Definitions
Delta H
Le Chatelier's Principle
Random Trivia
Hmm...
100
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

Chemical Equilibrium?

100

This will favour the endothermic reaction.

An increase in temperature.

100

The name of the smallest country in the world.

Vatican City

200
A still sealed pop can is classified as a type of system.
What is closed equilibrium?
200

What happens to the concentration of the reactants and products in equilibrium?

Constant

200

This stress only affects equilibrium reactions with at least one gas

Pressure changes

200
The study of insects
What is entomology?
200

At equilibrium the reactions at macroscoptic level appear to have ________ BUT are still ________ at a microscopic level.

stopped, dynamic/occurring

300
These need to be kept constant to MAINTAIN equilibrium
What is temperature and pressure (closed system)?
300

What is the difference between enthalpy and exothermic?

Enthalpy = overall energy change, exothermic = energy released.

300

This addition of this will speed up BOTH the rate of the forward AND reverse reactions.

What is a catalyst?

300
Avogadros Number
What is 6.02 x 10 23
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

What does pressure not affect in equilibrium? (3 states) 

Solids, Liquids, Aqueous solutions

400

Fe3+ + SCN- <------> FeSCN2+ If I added Fe3+ to the system the reaction would favor....

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___.

Decrease, remain the same?

500

An increase in pressure (decrease volume) will favor the side with the---------amount of molecules

Least?

500
Draw the graph for increase the temperature for an reaction not at equilibrium.

Graph drawn with 2 lines. 

increase in temp line = faster rate, same vol of products

500

N2O4 <---> 2NO2 (+ 58.0 kJ)

In order to favor the products the temperature would need to...

Decrease

500

What are the magic words for explaining reaction rates at equilibrium. Give me 3 phrases.

Favours, shifting of equilibrium, successful collisions, moles, per unit volume

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)
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