Practice - For closed systems
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Practice Questions
Test your understanding with targeted questions
What does the first law of thermodynamics state?
💡 Hint: Think about how energy behaves in reactions.
What does ΔU represent in the first law?
💡 Hint: Consider the energy before and after a process.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the first law of thermodynamics?
💡 Hint: Consider energy transformations in reactions.
In a closed system, which of the following is true?
💡 Hint: Reflect on how systems interact with their environment.
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Challenge Problems
Push your limits with advanced challenges
A certain closed system undergoes a process where 600 Joules of heat is absorbed and 150 Joules of work are done by the system. Calculate the change in internal energy.
💡 Hint: Apply the first law.
If an enthalpy table shows a reaction from reactants to products with variation in their stored energies, elaborate how these changes relate to the first law.
💡 Hint: Consider the relationship between internal energy and enthalpy.
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Reference links
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