5.4.3 - Standard Enthalpy of Formation
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Practice Questions
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Define standard enthalpy of formation.
💡 Hint: Think of the process and what happens to energy.
Give an example of an exothermic reaction.
💡 Hint: Consider reactions that give off heat.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the standard enthalpy of formation?
💡 Hint: Focus on the definition of formation.
True or False: The standard enthalpy change of an element in its standard state is zero.
💡 Hint: Consider the reference state of elements.
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Challenge Problems
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Using ΔfH° values, calculate the total enthalpy change for the reaction: 2H2(g) + O2(g) → 2H2O(l).
💡 Hint: Apply the enthalpy formation formula for multiple moles.
Explain how you would determine the standard enthalpy of formation for a compound not directly measured.
💡 Hint: Consider indirect methods of measuring enthalpy.
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