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  1. AP Chemistry
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Kinetics

Question 1
college-boardChemistryAPExam Style
1 mark

What molecular geometry would you expect from a central atom with four areas of electron density – two bond pairs and two lone pairs?

Question 2
college-boardChemistryAPExam Style
1 mark

Considering Le Chatelier's Principle, how might increasing temperature impact use of steady state approximation in endothermic reversible reaction?

Question 3
college-boardChemistryAPExam Style
1 mark

What does the symbol ΔH represent in a chemical equation?

Question 4
college-boardChemistryAPExam Style
1 mark

What could happen if the concentration of an intermediate in a reaction mechanism is incorrectly assumed to be insignificant?

Question 5
college-boardChemistryAPExam Style
1 mark

What does the steady-state approximation assume about the concentration of intermediates in a reaction mechanism?

Question 6
college-boardChemistryAPExam Style
1 mark

For a reaction A + B ⇌ C + D, which change would not affect the validity of using the steady-state approximation to analyze the system?

Question 7
college-boardChemistryAPExam Style
1 mark

What does the steady-state approximation assume about the concentrations of intermediates in rapid equilibrium with the surrounding species?

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Question 8
college-boardChemistryAPExam Style
1 mark

In applying the steady-state approximation during catalysis, what is assumed about intermediate concentrations?

Question 9
college-boardChemistryAPExam Style
1 mark

Why would one choose to use steady state rather than equilibrium assumptions when evaluating certain enzyme-catalyzed reactions?

Question 10
college-boardChemistryAPExam Style
1 mark

Which type of chemical species is typically present at low concentrations and is stabilized by the steady-state approximation in complex reactions?