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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the enthalpy of dilution?
π‘ Hint: Think about energy changes when you dissolve something.
Question 2
Easy
What happens to ΞH when more solvent is added to the dilution?
π‘ Hint: Consider the stability of measurements.
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
What is the sign of ΞH in an exothermic enthalpy of dilution?
- Positive
- Negative
- Zero
π‘ Hint: Remember how reactions exchange heat with their surroundings.
Question 2
True or False: The enthalpy of dilution becomes constant as liquid concentration increases.
- True
- False
π‘ Hint: Consider the behavior of solutions at varying concentrations.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the heat change for diluting 5 moles of NaCl into 20 liters of water if ΞH for dilution is -15 kJ/mol.
π‘ Hint: Use multiplication to determine total heat.
Question 2
A solution's enthalpy change is measured at multiple concentrations of solute. Explain why results stabilize at higher volumes and cover the implications.
π‘ Hint: Think of concentration effects and order.
Challenge and get performance evaluation