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Closed system can exchage (with surround...

Closed system can exchage (with surroundings)

A

Heat

B

Matter

C

Heat and matter

D

Neither heat nor matter

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### Step-by-Step Solution: 1. **Understand the Types of Systems**: - There are three main types of thermodynamic systems: open systems, closed systems, and isolated systems. - An **open system** can exchange both heat and matter with its surroundings. - A **closed system** can exchange only heat with its surroundings but not matter. - An **isolated system** cannot exchange either heat or matter with its surroundings. 2. **Identify the Characteristics of a Closed System**: - In a closed system, the only form of energy exchange possible with the surroundings is heat. - This means that while the system can absorb or release heat, the mass or matter within the system remains constant as it does not interact with the surroundings. 3. **Analyze the Options Provided**: - The options given are: - A) Heat - B) Matter or mass - C) Heat and matter - D) Neither heat nor mass - Based on the definition of a closed system, we can eliminate options B, C, and D. 4. **Conclusion**: - The correct answer is **A) Heat**. A closed system can exchange only heat with its surroundings.
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