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Which ONE of the descriptions below is TRUE for a chemical reaction in equilibrium? CONCENTRATIONS OF REACTANTS AND PRODUCTS FORWARD AND REVERSE REACTION RATES A Remain constant Equal B Remain constant Not equal C Equal Not equal D Not equal Not equal - NSC Physical Sciences - Question 1 - 2017 - Paper 2
Question 1
Which ONE of the descriptions below is TRUE for a chemical reaction in equilibrium? CONCENTRATIONS OF REACTANTS AND PRODUCTS FORWARD AND REVERSE REACTIO... show full transcript
Worked Solution & Example Answer:Which ONE of the descriptions below is TRUE for a chemical reaction in equilibrium? CONCENTRATIONS OF REACTANTS AND PRODUCTS FORWARD AND REVERSE REACTION RATES A Remain constant Equal B Remain constant Not equal C Equal Not equal D Not equal Not equal - NSC Physical Sciences - Question 1 - 2017 - Paper 2
Step 1
Which ONE of the descriptions below is TRUE for a chemical reaction in equilibrium?
Answer
To determine the correct answer, we need to understand the characteristics of a system at equilibrium. In a chemical reaction at equilibrium, the concentrations of reactants and products remain constant over time, as do the rates of the forward and reverse reactions. Thus, the correct option regarding the forward and reverse reaction rates must be:
- A: Remain constant | Equal
This means that the forward and reverse reactions proceed at the same rate, resulting in constant concentrations of reactants and products.