Practice - Using Bond Enthalpies to Estimate Reaction Enthalpy
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Practice Questions
Test your understanding with targeted questions
What does bond enthalpy measure?
💡 Hint: Think of it as a way to gauge how strong a bond is.
What is the expected relationship between broken and formed bonds?
💡 Hint: Consider how these processes contribute to overall ΔH.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is bond enthalpy?
💡 Hint: Remember, it relates to breaking bonds, not forming them.
Is ΔH positive when bonds are formed?
💡 Hint: Think about whether energy is given off or absorbed during bond formation.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Use average bond enthalpy values to estimate ΔH for the reaction: C₂H₄(g) + H₂(g) → C₂H₆(g). What factors might affect your estimate?
💡 Hint: Don’t forget to write out the energies for each bond type!
Given the reaction: 3 O₂(g) + CH₄(g) → 2 CO₂(g) + 2 H₂O(g), list the bonds broken and formed. Estimate ΔH.
💡 Hint: You might need to look up bond energies before calculating.
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