Podcast
Questions and Answers
A reaction is said to be reversible if the products can react to form the reactants again. Which of the following is a feature of a reversible reaction?
A reaction is said to be reversible if the products can react to form the reactants again. Which of the following is a feature of a reversible reaction?
In a reversible reaction, what does the double half-headed arrow (⇌) represent?
In a reversible reaction, what does the double half-headed arrow (⇌) represent?
What is the difference between a reversible reaction and an irreversible reaction?
What is the difference between a reversible reaction and an irreversible reaction?
Which of the following is an example of an irreversible reaction?
Which of the following is an example of an irreversible reaction?
Signup and view all the answers
What is dynamic equilibrium in a reversible reaction?
What is dynamic equilibrium in a reversible reaction?
Signup and view all the answers
What is the volume occupied by one mole of a gas at standard temperature and pressure (STP)?
What is the volume occupied by one mole of a gas at standard temperature and pressure (STP)?
Signup and view all the answers
In the chemical reaction below, what is the product? $3H_{2}(g) + N_{2}(g)
ightarrow 2NH_{3}(g)$
In the chemical reaction below, what is the product? $3H_{2}(g) + N_{2}(g) ightarrow 2NH_{3}(g)$
Signup and view all the answers
In a reversible reaction, what happens when the concentration of reactants is increased?
In a reversible reaction, what happens when the concentration of reactants is increased?
Signup and view all the answers
Signup and view all the answers
Study Notes
Reversible Reactions and Dynamic Equilibrium
- A chemical reaction involves reactants forming products
- Reactants are the substances that combine
- Products are the formed substances
- Example: Hydrogen and Nitrogen form Ammonia
- 3H₂(g) + N₂(g) → 2NH₃(g)
Irreversible Reactions
- Products do not recombine to form the original reactants
- Once complete, the reaction stops
- Example: Magnesium reacting with excess hydrochloric acid
- Mg(s) + HCl(aq) → MgCl₂(aq) + H₂(g)
Reversible Reactions
- Products can react to reform original reactants
- Reactions never reach completion
- Represented by a double half-headed arrow
- Example: Heating mercury oxide
- 2HgO(s) ⇌ 2Hg(l) + O₂(g)
- Forward and reverse reactions occur continuously
- Equilibrium is achieved when the rates are equal
Equilibrium
- When the forward and reverse reactions occur at the same rate
- The concentrations of reactants and products remain constant
- Example: Mercury and Oxygen form Mercury Oxide
- The rates of the forward and reverse reactions are equal at equilibrium
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Explore the concepts of reversible and irreversible reactions in chemistry. Understand dynamic equilibrium and how reactions can proceed in both directions, as exemplified by various chemical equations. Test your knowledge on the definitions and characteristics of these key chemical processes.
