Reversible and Irreversible Reactions
Chemistry ⇒ Chemical Reactions and Equations
Reversible and Irreversible Reactions starts at 9 and continues till grade 12.
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Describe the effect of temperature on the position of equilibrium in an exothermic reversible reaction.
Describe what happens if the concentration of a reactant is increased in a reversible reaction at equilibrium.
Describe what happens to the concentrations of reactants and products at equilibrium in a reversible reaction.
Explain why equilibrium can only be established in a closed system for reversible reactions.
Explain why precipitation reactions are generally considered irreversible.
Explain why the burning of paper is considered an irreversible reaction.
The reaction: 2SO2(g) + O2(g) ⇌ 2SO3(g) is used in the manufacture of sulfuric acid. Is this reaction reversible or irreversible?
Which of the following changes will shift the equilibrium of the reaction N2(g) + 3H2(g) ⇌ 2NH3(g) to the right? (1) Increasing pressure (2) Decreasing pressure (3) Increasing temperature (4) Removing NH3
Which of the following best describes a system at equilibrium in a reversible reaction? (1) The forward reaction has stopped (2) The backward reaction has stopped (3) The rates of forward and backward reactions are equal (4) The concentration of reactants is zero
Which of the following changes will shift the equilibrium of the reaction N2(g) + 3H2(g) ⇌ 2NH3(g) to the right? (1) Increasing pressure (2) Decreasing pressure (3) Increasing temperature (4) Removing NH3
Which of the following is a characteristic of a reversible reaction? (1) Proceeds to completion (2) Can reach equilibrium (3) Only forward reaction occurs (4) Products cannot be converted back to reactants
Which of the following is a correct representation of an irreversible reaction? (1) ⇌ (2) → (3) ← (4) ↔
Fill in the blank: At equilibrium, the rate of the forward reaction is ________ to the rate of the backward reaction.
Fill in the blank: In a reversible reaction, both the forward and ________ reactions occur simultaneously.
Fill in the blank: In an irreversible reaction, the reaction proceeds in ________ direction only.
Fill in the blank: The process of rusting of iron is an ________ reaction.
True or False: All chemical reactions are reversible under the right conditions.
True or False: In a reversible reaction, the products can react to form the original reactants.
True or False: In an irreversible reaction, the products cannot be converted back into reactants under normal conditions.
True or False: The decomposition of calcium carbonate is a reversible reaction.
