3.4 - Reaction Energetics and Thermodynamic Feasibility
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Practice Questions
Test your understanding with targeted questions
What does a negative Gibbs free energy (ΔG) indicate about a chemical reaction?
💡 Hint: Think about what spontaneous means in a chemical context.
Define enthalpy (ΔH) in the context of thermodynamics.
💡 Hint: Consider energy changes in a chemical reaction.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a negative change in Gibbs free energy indicate about a reaction?
💡 Hint: Think back to the Gibbs free energy equation.
True or False: A reaction can be spontaneous even if it is endothermic.
💡 Hint: Consider how entropy changes affect the energy dynamics of reactions.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A reaction has ΔH = -150 kJ and ΔS = +300 J/K. Determine if the reaction is spontaneous at 25°C.
💡 Hint: Convert all units to kJ for consistency.
Analyze whether the given reaction will be spontaneous at high temperatures if ΔH = +80 kJ and ΔS = +500 J/K.
💡 Hint: How do positive entropy changes influence spontaneity at varying temperatures?
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