Practice - What is Enthalpy?
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Practice Questions
Test your understanding with targeted questions
What does ΔH represent in a chemical reaction?
💡 Hint: Think about energy content in the system.
What is an exothermic reaction?
💡 Hint: It releases heat or light.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a negative ΔH indicate?
💡 Hint: Think about what happens in exothermic reactions.
Is photosynthesis an endothermic process?
💡 Hint: Consider energy absorption and food production.
1 more question available
Challenge Problems
Push your limits with advanced challenges
If the enthalpy change of a reaction is -150 kJ, determine if the reaction is endothermic or exothermic. What are the implications for energy use?
💡 Hint: Remember the sign of ΔH tells us the energy flow.
A chemical reaction has products with total energy of 240 kJ and reactants of 300 kJ. Calculate ΔH and classify the reaction. Discuss potential applications.
💡 Hint: Look for the differences in energy levels for classification.
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