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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the enthalpy change when 1 mole of NaCl is dissolved in water?
💡 Hint: Remember the definitions of lattice energy and hydration energy.
Question 2
Easy
Define hydration energy.
💡 Hint: Focus on the process of dissolution.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
Lattice energy refers to the energy required to:
- Dissolve a solute
- Break ionic bonds
- Hydrate ions
💡 Hint: Remember the role of lattice energy in dissolution.
Question 2
True or False: The enthalpy of solution can only be negative.
- True
- False
💡 Hint: Reflect on examples of both exothermic and endothermic dissolutions.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given that the enthalpy change (∆solH⁰) for dissolving potassium bromide in water is +37.2 kJ/mol, explain how this could still occur despite the endothermic nature, using hydration reasoning.
💡 Hint: Consider temperature and solvation interactions.
Question 2
Discuss the implications of enthalpy of solution on environmental chemistry, specifically in aquatic systems.
💡 Hint: Think about seasonal changes and reactions in natural waterways.
Challenge and get performance evaluation