Practice Exothermic Reactions (2) - Energy Changes in Reactions - IB 10 Sciences (Group 4) – Chemistry
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Exothermic Reactions

Practice - Exothermic Reactions

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.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is an exothermic reaction?

💡 Hint: Think about examples like burning or respiration.

Question 2 Easy

Name one example of an exothermic reaction.

💡 Hint: Consider processes that produce heat.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is an exothermic reaction?

A. Absorbs energy
B. Releases energy
C. No energy change

💡 Hint: Think about how heat is involved.

Question 2

True or False: In an exothermic reaction, the products have higher energy than the reactants.

True
False

💡 Hint: Consider the energy profile diagram.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If a chemical reaction releases 150 kJ of energy, what is the change in enthalpy? How does this relate to the concept of exothermic reactions?

💡 Hint: Think about how energy changes correlate with signs in thermodynamics.

Challenge 2 Hard

Explain the role of catalysts in exothermic reactions and compare their function to energy profile diagrams.

💡 Hint: What does this mean for how an exothermic reaction proceeds over time?

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.