6.5 - Enthalpy (H)
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
What is enthalpy?
💡 Hint: Think about the relationship between heat and chemical reactions.
What does a negative change in enthalpy (∆H < 0) indicate?
💡 Hint: Recall the definition of exothermic reactions.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does the change in enthalpy (∆H) signify in a reaction?
💡 Hint: Focus on what ∆H measures regarding energy.
In an exothermic reaction, what can you expect about the temperature of the surroundings?
💡 Hint: Recall the effects of heat release during reactions.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
A chemical process releases 200 kJ of energy. Is this process endothermic or exothermic? Calculate ∆H.
💡 Hint: Consider what it means to release energy during a reaction.
Calculate the enthalpy change if the reactants have an enthalpy of 150 kJ and the products have an enthalpy of 50 kJ.
💡 Hint: Use the fundamental enthalpy calculation formula.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.