5.5 - Bond Enthalpies
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Practice Questions
Test your understanding with targeted questions
What is bond enthalpy?
💡 Hint: Think of it as the energy needed to 'unzip' a bond.
Determine if the combustion of propane is exothermic or endothermic.
💡 Hint: Does the reaction give off heat or absorb it?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is bond enthalpy?
💡 Hint: Think about what you have to do to separate two atoms in a bond.
Is ΔH positive for exothermic reactions?
💡 Hint: Remember the relationship between heat flow and reaction types.
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Challenge Problems
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Using bond enthalpies, estimate the ΔH for the reaction N₂ + 3 H₂ → 2 NH₃.
💡 Hint: List all bonds in the reactants and products and use the enthalpy equation.
Discuss how varying temperature might affect bond enthalpy measurements.
💡 Hint: Consider how heat affects molecular interactions.
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