Practice Enthalpies for different types of reactions - 5.5 | 5. Thermodynamics | CBSE 11 Chemistry Part 1
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Enthalpies for different types of reactions

5.5 - Enthalpies for different types of reactions

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is enthalpy?

💡 Hint: Think about its role in heat exchange during reactions.

Question 2 Easy

What does the standard enthalpy of combustion represent?

💡 Hint: Consider the process of burning fuel.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the standard enthalpy of formation indicate?

Energy absorbed during formation
Energy released during combustion
Change during formation of one mole from elements

💡 Hint: Think about the definitions provided in the chapter.

Question 2

True or False: All enthalpy changes for elements in their standard states are zero.

True
False

💡 Hint: Recall the concept of standard states for elements.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Calculate the standard enthalpy of combustion for benzene from its constituent elements using Hess's law given combustion data.

💡 Hint: Break down the reaction into individual steps to calculate total enthalpy.

Challenge 2 Hard

Discuss how lattice enthalpy influences the solubility of NaCl in water, considering energy released.

💡 Hint: Think about energy requirements versus energy released upon dissolution.

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Reference links

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