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Definitions
History
ICE tables
Solve
The Elements
100
Define Equilibrium
When substances form and break down at the same rate.
100
When was equilibrium discovered?
In the year 1803.
100
What is an ICE table used for?
An ICE Table is table used to solve stoichiometry problems.
100
5 mol of PCl5 in put into a 1L flask. It makes PCl3 and Cl2. What is the concentration if the keq is at 1.24*10^-5
.007896 or -.00787
100
What is the symbol for Gold?
Au
200
Define Equilibrium Constant (keq)
The value describing the ratio of the product concentration to the reactant concentrations.
200
Where was equilibrium discovered?
In Egypt
200
What does the "I" stand for in and ICE table?
Initial
200
There is .100M of CO2 and H2. What is the concentration for the reactants and products at equilibrium if keq=0.64?
X=.0444 or -.4
200
What charge does Chloride have?
-1
300
Define Solubility
The maximum amount of a solution that will dissolve into another kind of solution in a specific temperature and pressure.
300
Who discovered Equilibrium?
Claude Berthollet
300
What does "E" stand for in the ICE table?
Equilibrium
300
5 mol of H2 is put into a 1L flask along with 13.3 mol of I2 to make HI. What is each substance's concentration? Keq=6.7
X=3.98 or 41.427
300
What is the atomic number of Helium?
2
400
What is keq
The symbol for equilibrium constant.
400
What is Claude Berthollet famous for discovering besides Equilibrium?
Bleach
400
What does "C" stand for in the ICE table?
Change
400
Al(OH)3 is placed into water at 25 degrees Celsius. At equilibrium the concentration of AL+3 ions is 2.6*10^-9 M. What is the ksp of Al(OH)?
6.76*10^-18 = ksp
400
What does "amu" stand for?
Atomic mass units
500
Define Chemical Equilibrium
When the rate of the forward reaction is equal to the rate of the reverse reaction.
500
How was equilibrium discovered?
Claude Berthollet was exploring lakes in Egypt and found salt deposits by the lake. This led him to discover equilibrium.
500
What is the formula used in solving stoichiometry?
The quadratic formula
500
What are the equilibrium concentration of Mg2+ and CO3 -2 in a solution containing MgCO3, at 25 degrees Celsius, if ksp = 3.5*10^-8
1.870*10^-4 = ksp
500
How many elements are there on the Periodic Table of Elements?
There are 118 elements on the Periodic Table.