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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A reaction is represented as: A + B ⇌ C + D. If the concentration of A is increased, what will happen to the equilibrium position?
A student mixes acetic acid and ethanol and observes the formation of ethyl acetate and water. After some time, the concentrations of all substances remain constant. What type of reaction is this?
Describe how a catalyst affects a reversible reaction.
Describe the difference in energy changes between reversible and irreversible reactions.
A reaction is represented as: A + B ⇌ C + D. If the concentration of A is increased, what will happen to the equilibrium position?
A student mixes acetic acid and ethanol and observes the formation of ethyl acetate and water. After some time, the concentrations of all substances remain constant. What type of reaction is this?
Describe the effect of increasing pressure on the equilibrium position of the reaction: N2(g) + 3H2(g) ⇌ 2NH3(g).
Describe the effect of temperature on the equilibrium position of an exothermic reversible reaction.
Which of the following best defines a reversible reaction? (1) A reaction that proceeds only in one direction, (2) A reaction that can proceed in both forward and backward directions, (3) A reaction that produces only one product, (4) A reaction that requires a catalyst
Which of the following factors can shift the position of equilibrium in a reversible reaction? (1) Temperature, (2) Pressure, (3) Concentration, (4) All of the above
Which of the following is a characteristic of a reversible reaction at equilibrium? (1) The reaction stops, (2) The rates of forward and backward reactions are equal, (3) Only products are present, (4) Only reactants are present
Which of the following is a correct representation of a reversible reaction? (1) →, (2) ⇌, (3) ←, (4) ↔
Fill in the blank: In a reversible reaction, the forward and backward reactions occur __________.
Fill in the blank: In a reversible reaction, the system can reach a state called __________, where the rates of the forward and backward reactions are equal.
Fill in the blank: In an irreversible reaction, the reaction proceeds to __________.
Fill in the blank: The decomposition of calcium carbonate to calcium oxide and carbon dioxide is an example of an __________ reaction.
Is the reaction: 2H2O2 → 2H2O + O2 reversible or irreversible under normal conditions?
State whether the following statement is true or false: At equilibrium, the concentrations of reactants and products are always equal.
State whether the following statement is true or false: In a reversible reaction at equilibrium, the amount of reactants and products remains constant over time.
State whether the following statement is true or false: In an irreversible reaction, the products cannot be converted back into reactants under the same conditions.
