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 a reversible reaction.
Describe the role of catalysts in reversible reactions.
Describe what happens to the concentration of reactants and products at equilibrium in a reversible reaction.
Describe what is meant by the term 'dynamic equilibrium' in the context of reversible reactions.
In the reaction: N2(g) + 3H2(g) ⇌ 2NH3(g), is the reaction reversible or irreversible?
Is the reaction: 2H2O2(aq) → 2H2O(l) + O2(g) reversible or irreversible?
Is the reaction: C(s) + O2(g) → CO2(g) reversible or irreversible?
Is the reaction: CaCO3(s) ⇌ CaO(s) + CO2(g) reversible or irreversible?
Which of the following best describes chemical equilibrium in a reversible reaction? (1) Reactants are completely converted to products (2) The rates of forward and backward reactions are equal (3) The reaction stops completely (4) Only the forward reaction occurs
Which of the following is a correct representation of a reversible reaction? (1) → (2) ← (3) ⇌ (4) =
Which of the following is a feature of a reversible reaction? (1) It goes to completion (2) It can reach equilibrium (3) It only occurs in one direction (4) It always produces a gas
Which of the following is an example of a reversible reaction? (1) Combustion of methane (2) Dissociation of ammonium chloride (3) Rusting of iron (4) Burning of paper
Fill in the blank: In a reversible reaction, the rate of the forward reaction becomes equal to the rate of the __________ reaction at equilibrium.
Fill in the blank: In a reversible reaction, the system is said to be at __________ when the rates of the forward and backward reactions are equal.
Fill in the blank: The Haber process for ammonia synthesis is an example of a __________ reaction.
Fill in the blank: The reaction between hydrogen chloride gas and ammonia gas to form ammonium chloride is __________ (reversible/irreversible).
Is the following statement true or false? The decomposition of calcium carbonate to calcium oxide and carbon dioxide is a reversible reaction.
State whether the following statement is true or false: All combustion reactions are irreversible.
State whether the following statement is true or false: At equilibrium, the amount of reactants and products are always equal.
State whether the following statement is true or false: In a reversible reaction, the products can react to form the original reactants.
