1.1 - Internal Energy vs. Enthalpy
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
Define internal energy.
💡 Hint: Consider the energies of particles in a system.
What is enthalpy?
💡 Hint: Think about its relation to pressure and volume.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does ΔE represent in thermodynamics?
💡 Hint: Recall what ΔE stands for in energy terms.
True or False: Enthalpy is a state function.
💡 Hint: Think about what characterizes state functions.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A chemical reaction has an internal energy change of 200 kJ; however, 50 kJ of work is done on the system. What is the heat exchanged with the surroundings?
💡 Hint: Think about the relationship between internal energy change and the work done.
A reaction is exothermic with ΔH = -100 kJ. If the enthalpy of formation for the reactants is -200 kJ, what is the enthalpy of formation for the products?
💡 Hint: Consider how reactants and products relate through enthalpy change.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.