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A kettle exchanges both heat and steam with the room. Such a system is described as:
AOpen system
BClosed system
CIsolated one
DFrozen one
Answer & Solution
Correct answer: A. Open system
1. Energy crosses the boundary, and so does matter.
2. Only systems that exchange neither are isolated.
3. A system exchanging energy or matter is the open system.
_Source: OpenStax University Physics Volume 2, Chapter 3, The First Law of Thermodynamics._
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