AP Chemistry/ Unit 7: Equilibrium

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You’ll chart how chemical reactions change over time, what causes substances to reach equilibrium, and how systems react when that equilibrium is disturbed.

Question Difficulty:

Question	Difficulty	Students Solved
Concentration and Chemical Equilibrium	medium	9
Comparing Expressions for Q and K	medium	13
Common Ion Effect on AgCl Solubility	medium	7
Effect of Pressure on Gaseous Equilibrium	medium	5
Factor of Change in Ksp	medium	3
Calculating Molar Solubility from Ksp	medium	2
Reaction Quotient and Equilibrium Shift	medium	3
Calculating Molar Solubility From Ksp	medium	-
Inert Gas Effect on Equilibrium	medium	1
Equilibrium Position and the Magnitude of K	medium	1
Reaction Quotient and Equilibrium Constant	medium	1
Effect of Temperature on Salt Solubility	medium	1
Le Châtelier's Principle and Concentration	medium	-
Manipulating the Equilibrium Constant	medium	1
Ksp and Molar Solubility Comparison	medium	-
Calculating Molar Solubility from Ksp	medium	-
Effect of Dilution on Equilibrium	medium	-
Calculating Ksp From Molar Solubility	medium	3
The Nature of Chemical Equilibrium	medium	-
Extent of Reaction at Equilibrium	medium	1

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Unit Leaderboard

Rank	User	Correct Count	Attempt Count	Total Time	Score
#1	ayemenduh	42	60	0m 00s	4,020
#2	ronthetennisguy	35	38	0m 00s	3,470
#3	itzzhanachan	32	40	0m 00s	3,120
#4	thefunnies812	24	48	0m 00s	2,160
#5	khaled.aboulhoda	25	26	11m 09s	1,821
#6	brendan.tark53	18	20	0m 00s	1,780
#7	gwkhan1451	18	21	0m 00s	1,770
#8	gwantsai	18	22	0m 00s	1,760
#9	warrenlai.1120	17	20	0m 00s	1,670
#10	sadie.e.gorr	16	24	0m 00s	1,520

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