Practice IB Chemistry Topic R2.3 How Far? the Extent of Chemical Change with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for R2.3 How Far? the Extent of Chemical Change and mirrors Paper 1A, 1B, 2 style where relevant.
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Which statement is correct about a system at equilibrium?
Which of the following best defines the term "dynamic equilibrium"?
What happens to the position of equilibrium when the concentration of a reactant is increased in a reversible reaction?
A mixture of gases at equilibrium contains 2.00 mol of , 1.00 mol of , and 1.00 mol of in a 2.00 dm³ container. For the reaction:
What is the value of ?
Which condition will increase the value of for an exothermic reaction?
The concentrations of reactants and products are equal.
The forward and reverse reactions have stopped.
The rate of the forward reaction equals the rate of the reverse reaction.
The amount of products exceeds the amount of reactants.
All reactants are completely converted into products.
The concentrations of all species are increasing.
The rates of forward and reverse reactions are equal.
The temperature and pressure of the system are changing.
