Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβperfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
Youβve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take mock test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is an exothermic reaction?
π‘ Hint: Think of a reaction where heat is felt or seen.
Question 2
Easy
Name a common example of an endothermic reaction.
π‘ Hint: It involves plants and sunlight.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What defines an exothermic reaction?
- Absorbs heat (ΞH > 0)
- Releases heat (ΞH < 0)
- No heat change (ΞH = 0)
π‘ Hint: Think about heat flow.
Question 2
Is photosynthesis endothermic or exothermic?
- True
- False
π‘ Hint: Focus on energy absorption.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Explain how energy transfer during combustion aligns with exothermic reactions. Provide a relevant chemical equation and analyze the enthalpy change.
π‘ Hint: Focus on the energy release and check the signs of ΞH.
Question 2
A reaction has an enthalpy change of +75 kJ. Discuss its implications in a practical context, such as in cooling systems.
π‘ Hint: Relate it to real-world applications of heat absorption.
Challenge and get performance evaluation