Practice Enthalpy Of Combustion (δh_c°) (1.4.2) - Unit 5: Energetics and Thermochemistry
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

Enthalpy of Combustion (ΔH_c°)

Practice - Enthalpy of Combustion (ΔH_c°)

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 ΔH_c° refer to?

💡 Hint: Think about the definition of combustion.

Question 2 Easy

Is the combustion of fuels typically an exothermic or endothermic process?

💡 Hint: Consider if heat is released or absorbed.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the enthalpy of combustion for methane?

-2,803 kJ/mol
-890.3 kJ/mol
-1,500 kJ/mol

💡 Hint: Recall the combustion of methane.

Question 2

True or False: Combustion reactions are always exothermic.

True
False

💡 Hint: Think about the definition of combustion.

Get performance evaluation

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Calculate the total energy released from burning 4 moles of propane (C₃H₈), given ΔH_c° = -2,221 kJ/mol.

💡 Hint: Multiply moles by the enthalpy of combustion.

Challenge 2 Hard

Explain why a higher ΔH_c° can indicate a more efficient fuel in vehicles.

💡 Hint: Think about what efficiency in fuel means in practical terms.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.