5.5.f - Enthalpy of Dilution
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Practice Questions
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What is the enthalpy of dilution?
💡 Hint: Think about energy changes when you dissolve something.
What happens to ΔH when more solvent is added to the dilution?
💡 Hint: Consider the stability of measurements.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the sign of ΔH in an exothermic enthalpy of dilution?
💡 Hint: Remember how reactions exchange heat with their surroundings.
True or False: The enthalpy of dilution becomes constant as liquid concentration increases.
💡 Hint: Consider the behavior of solutions at varying concentrations.
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Challenge Problems
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Calculate the heat change for diluting 5 moles of NaCl into 20 liters of water if ΔH for dilution is -15 kJ/mol.
💡 Hint: Use multiplication to determine total heat.
A solution's enthalpy change is measured at multiple concentrations of solute. Explain why results stabilize at higher volumes and cover the implications.
💡 Hint: Think of concentration effects and order.
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