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Closed Systems is Earth a closed, isolated system? Support your answer.

   Closed Systems is Earth a closed, isolated system? Support your answer.

Physics Principle and Problems

Physics Principle and Problems

Paul W. Zitzewitz,… 1st Edition

Chapter 11, Problem 22

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Solved by Expert Kevin Shryock

05/28/2020

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A closed system is one where matter cannot enter or leave, but energy can be transferred. An isolated system is one where neither matter nor energy can enter or leave. Show more…

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Closed Systems is Earth a closed, isolated system? Support your answer.

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Key Concepts

Earth as a System

When considering Earth, it is often treated as a closed system in terms of matter because the mass exchange with outer space is relatively minor compared to the total mass of the planet. However, Earth is not an isolated system since it continuously exchanges energy with its surroundings, primarily through the absorption of solar radiation and the emission of heat into space.

Energy and Matter Exchange

The distinction between energy and matter exchange is crucial to understanding system classifications. In many physical contexts, even when a system does not exchange matter, it often transfers energy in the form of light, heat, or radiation, highlighting why a system can be considered closed without being isolated.

Isolated System

An isolated system is one that does not exchange either matter or energy with its surroundings. Such a system is completely self-contained, meaning that any dynamic processes occur without any external influences, making its total energy and mass strictly conserved.

Closed System

A closed system is defined as one that exchanges energy with its surroundings but not matter. This concept is widely used in thermodynamics to describe systems where the material component remains constant over time, even though heat or work can be transferred across the system’s boundaries.

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