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Questions and Answers
What does chemical kinetics deal with?
What does chemical kinetics deal with?
- The temperature of reactions
- The speed of chemical reactions (correct)
- The color change during reactions
- The volume of reactants used
How is the rate of a chemical reaction defined?
How is the rate of a chemical reaction defined?
- By the color change of the reactants
- By the time it takes for the reaction to start
- By the change in concentration of reactants or products per unit time (correct)
- By the amount of reactants used
What happens to the concentration of reactants as a chemical reaction proceeds?
What happens to the concentration of reactants as a chemical reaction proceeds?
- Remains constant
- Decreases (correct)
- Fluctuates randomly
- Increases
How is the rate of a chemical reaction calculated?
How is the rate of a chemical reaction calculated?
What determines the rate of a reaction?
What determines the rate of a reaction?
Which type of reactions generally occur rapidly?
Which type of reactions generally occur rapidly?
What factor usually causes reactions to slow down over time?
What factor usually causes reactions to slow down over time?
How does the addition of a catalyst affect a reaction?
How does the addition of a catalyst affect a reaction?
What does the rate constant represent in a reaction?
What does the rate constant represent in a reaction?
How does the value of the rate constant affect the speed of a reaction?
How does the value of the rate constant affect the speed of a reaction?
What is the relationship between rate constant and temperature for a specific reaction?
What is the relationship between rate constant and temperature for a specific reaction?
How does the value of rate constant depend on the concentration of reactants?
How does the value of rate constant depend on the concentration of reactants?
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