5.3.1 - The Strategy for the Initial Rates Method
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Practice Questions
Test your understanding with targeted questions
What is the initial rate in a reaction?
💡 Hint: Think about when you start observing the reaction.
How does varying the reactant concentration relate to the reaction rate?
💡 Hint: Consider how changing one variable can affect another in an experiment.
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Interactive Quizzes
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What does the initial rates method help chemists determine?
💡 Hint: Consider what aspect of the reaction this method focuses on.
True or False: The concentration of all reactants must be changed simultaneously to determine reaction order.
💡 Hint: Think about the importance of controlling variables.
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Challenge Problems
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Design an experiment to determine the reaction order of a hypothetical reaction A + B → C. Explain how you would systematically vary concentrations and analyze results.
💡 Hint: Think of how controlling variables can help isolate reactions.
Given the following data from initial rate experiments:
Experiment 1: [A]=0.1 M, [B]=0.2 M, Rate=0.01 M/s;
Experiment 2: [A]=0.1 M, [B]=0.4 M, Rate=0.04 M/s;
Analyze the data to determine the order of reaction with respect to B.
💡 Hint: Look for multiplicative relationships in rates when concentrations change.
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