5.3 - Measurement of ∆U and ∆H: Calorimetry
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Practice Questions
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What is calorimetry?
💡 Hint: Think about what we measure in chemistry.
Define constant pressure.
💡 Hint: Consider the context of a calorimeter.
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Interactive Quizzes
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What does a bomb calorimeter measure?
💡 Hint: Think about the operation of the calorimeter.
True or False: Enthalpy change (∆H) can be measured at constant volume.
💡 Hint: Consider the definition of enthalpy.
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Challenge Problems
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A reaction releases 500 J of heat and does 150 J of work. Calculate the change in internal energy.
💡 Hint: Remember the first law of thermodynamics.
In a constant pressure calorimeter, 2 g of a substance absorbs 4 kJ of heat. Calculate the change in enthalpy.
💡 Hint: Recall that qp equals the heat absorbed.
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