Unit 7, try it
To predict the direction of a reaction, which two quantities are compared?
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Form 4 Chemistry
Unit 7: Chemical Equilibrium questions and answers
165 practice questions on Chemical Equilibrium, covering all 8 lessons of the unit. Each has its answer and an explanation. Free.
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Chemical Equilibrium: sample questions with answers
Unit 7, try it
On a concentration against time graph for a reaction reaching equilibrium, what happens to the reactant curve?
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Unit 7, try it
In CaCO3(s) in equilibrium with CaO(s) + CO2(g), which species is a gas?
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Unit 7, try it
For aA + bB in equilibrium with cC + dD, the equilibrium constant expression is:
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Unit 7, try it
For CO + 3H2 in equilibrium with CH4 + H2O, [CO] = 0.0613 M, [H2] = 0.1839 M, [CH4] = 0.0387 M and [H2O] = 0.0387 M. What is Kc?
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Unit 7, try it
What is the first step when solving an equilibrium concentration problem with the ICE method?
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Unit 7, try it
If Q > K, which way does the reaction shift to reach equilibrium?
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Unit 7, try it
Le Chatelier investigated the effects of which factors on equilibrium?
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What unit 7 covers
Questions follow the book: Chemistry, Form Four, Student Book.
Lesson 1: Reversible Reactions and Equilibrium
- Reversible and irreversible reactions
Lesson 2: What is Chemical Equilibrium?
- Chemical equilibrium
- Conditions for equilibrium
Lesson 3: Types of Chemical Equilibrium
- Homogeneous equilibrium
- Heterogeneous equilibrium
Lesson 4: The Equilibrium Constant
- Equilibrium constant expression
- Magnitude of Kc
Lesson 5: Calculating Equilibrium Constants, Kc
- Calculating Kc
- Calculating equilibrium concentrations
Lesson 6: Calculating Equilibrium Concentrations
- ICE method
Lesson 7: The Reaction Quotient
- Comparing Q and K
Lesson 8: Factors Affecting Chemical Equilibrium
- Le Chatelier's principle
- The effect of change in concentration
- The effect of change in volume or pressure
- The effect of changes in temperature
- Chapter review questions
Other units of Form 4 Chemistry
- unit 1Hydrocarbons
- unit 2Alcohols, Phenols and Ethers
- unit 3Aldehydes, Ketones and Carboxylic Acids
- unit 4Biochemistry
- unit 5P-Block Elements
- unit 6Chemical Kinetics
- unit 8Introduction to Nuclear Chemistry
