Practice Determining Activation Energy from Two Temperatures - 3.5.1 | Unit 6: Chemical Kinetics | IB Grade 11: 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

Determining Activation Energy from Two Temperatures

3.5.1 - Determining Activation Energy from Two Temperatures

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 does activation energy represent?

💡 Hint: Think about the energy needed to start a reaction.

Question 2 Easy

What is the relationship between temperature and reaction rate according to the Arrhenius equation?

💡 Hint: Consider the kinetic energy of molecules.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does activation energy (Ea) signify in a chemical reaction?

Energy required to form products
Energy required to initiate a reaction
Energy released during the reaction

💡 Hint: Consider the barrier that must be overcome for conversion.

Question 2

True or False: A higher activation energy leads to a faster reaction rate.

True
False

💡 Hint: Think about energy vs. speed.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

You measure k1 = 0.5 s⁻¹ at 290 K and k2 = 1.0 s⁻¹ at 310 K. Calculate the activation energy Ea.

💡 Hint: Convert T1 and T2 to Kelvin if needed and check your logs.

Challenge 2 Hard

Compare the effects of temperature changes on reactions with low vs. high activation energy.

💡 Hint: Consider energy distribution and collision theory.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.