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Question: Answered & Verified by Expert
If a thermos flask contains hot coffee and is sealed, what type of system does it represent in thermodynamics?
ChemistryThermodynamics (C)NEET
Options:
  • A An open system
  • B A closed system
  • C An isolated system
  • D A dynamic system
Solution:
1384 Upvotes Verified Answer
The correct answer is: An isolated system
A sealed thermos flask does not allow any exchange of energy or matter with the surroundings, making it an isolated system.

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