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2 cards from this section. Quick, good the night before a test.
What is the purpose of the sampling method in chemical kinetics?
Think about how chemists monitor reactions.
In the initial-rate method, what aspect of the reaction do chemists measure?
Consider what is measured at the start of a reaction.
What is the initial-rate method primarily used for?
Think about what happens right at the start of a reaction.
True or False: The pseudo-first-order method can only be applied to reactions with two reactants.
Consider how reactants can influence rate laws.
A researcher is studying a reaction with reactants A and B using the initial-rate method. If doubling [A] causes a rate increase of 8 times, while doubling [B] results in a rate increase of 4 times, what are the orders of reaction with respect to A and B?
Think about how each reactant's concentration affects the rate.
In a series of reactions studied using spectrophotometry, the absorbance of a product was measured over time. If after 10 seconds, the absorbance was 0.5 and after 20 seconds it was 1.0, calculate the rate of production assuming a linear increase. What does this imply about the reaction order?
Consider how absorbance relates to concentration changes and the rate type.
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