Practice - Presence of a Catalyst
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is a catalyst?
💡 Hint: Think about roles in reactions.
Give an example of a catalyst.
💡 Hint: Consider chemicals used to speed up reactions.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does a catalyst do in a chemical reaction?
💡 Hint: Consider what happens to energy barriers.
True or False: Catalysts are consumed during reactions.
💡 Hint: Think about the lifecycle of a catalyst.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Given a reaction that has a high activation energy, what would be the impact of introducing a catalyst? Discuss its effects on reaction rate and the energy profile of the reaction.
💡 Hint: Think about the energy graph and how catalysts change it.
Evaluate the role of catalysts in environmental chemistry, particularly in processes such as catalytic converters in cars. How do they contribute to reducing emissions?
💡 Hint: Consider the direct effects on vehicle emissions and the environment.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.