Equilibrium Constant Expression
Interactive Video
•
Chemistry, Science, Physics
•
10th Grade - University
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
The video tutorial explains the equilibrium constant expression KC, highlighting that it excludes the concentrations of reactants and products in solid-state due to their constant density. It uses the oxidation of sulphur to sulphur dioxide as an example, showing that only gaseous concentrations are included in the KC expression. The tutorial also discusses how the concentration of solids remains constant in equilibrium reactions, and any changes in solid quantity do not affect the equilibrium. Additionally, it covers equilibrium reactions in aqueous solutions, noting that the concentration of water is not included in the KC expression because it remains constant due to its large excess.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Describe the relationship between the density of solid sulphur and its molar concentration in equilibrium.
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the significance of the concentration of water being in large excess during equilibrium?
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