5.1.1 - The system and the surroundings
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Practice Questions
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Define 'system' in thermodynamics.
💡 Hint: Think about what you focus on in experiments.
What type of system can exchange both energy and matter?
💡 Hint: Consider systems that allow everything in and out.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What defines an open system?
💡 Hint: Think about what happens to air and heat in a glass of water.
True or False: An isolated system can exchange energy with its surroundings.
💡 Hint: Consider how a sealed container behaves.
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Challenge Problems
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Describe a real-life situation that represents an isolated system. Explain why it qualifies as such.
💡 Hint: Consider the function of a thermos in keeping beverages hot.
In an experiment, a beaker is placed in a lab environment where heat can freely enter. If the water in the beaker starts to evaporate, which type of system is it? Justify your answer.
💡 Hint: Think about how adding heat affects the water in an open environment.
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