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Kinetics

Question 1
college-boardChemistryAPExam Style
1 mark

If 50.0 grams of calcium carbonate (CaCO3) react with excess hydrochloric acid (HCl), what mass of carbon dioxide (CO2) will be produced according to the reaction CaCO3(s) + 2HCl(aq) → CaCl2(aq) + CO2(g) + H2O(l)?

Question 2
college-boardChemistryAPExam Style
1 mark

The decomposition of a pestecide compound applied to crops results in a first-order reaction with 56 days as its half-life. What is the rate constant?

Question 3
college-boardChemistryAPExam Style
1 mark

Which of the following factors would most significantly affect the rate-determining step of a complex reaction mechanism?

Question 4
college-boardChemistryAPExam Style
1 mark

Why does an increase in temperature usually increase reaction rates?

Question 5
college-boardChemistryAPExam Style
1 mark

Given four substances with nearly identical molecular weights, which would have the highest boiling point based on its dominant intermolecular forces?

Question 6
college-boardChemistryAPExam Style
1 mark

How do you calculate moles from molarity and volume?

Question 7
college-boardChemistryAPExam Style
1 mark

What is typically observed when a catalyst is added to a reaction mixture at constant temperature?

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Question 8
college-boardChemistryAPExam Style
1 mark

What happens to the half-life of a second-order reaction when the initial concentration of reactants is doubled?

Question 9
college-boardChemistryAPExam Style
1 mark

What does the reaction order n describe in a rate law?

Question 10
college-boardChemistryAPExam Style
1 mark

What is plotted for a first order reaction? What is the lines slope?