Closed Systems: recycling
What’s a closed system?
In thermodynamics, a closed system
can exchange energy (as heat or
work) but not matter, with its
surroundings.
An isolated system
cannot exchange any of heat, work,
or matter with the surroundings,
while...
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Closed Systems: recycling
What’s a closed system?
In thermodynamics, a closed system
can exchange energy (as heat or
work) but not matter, with its
surroundings.
An isolated system
cannot exchange any of heat, work,
or matter with the surroundings,
while an open system can exchange
all of heat, work and matter.
For a
simple system, with only one type
of particles (atom or molecule) a
closed system amounts to a constant number of particles.
However, for
systems which are undergoing a chemical reaction, there may be all sorts
of molecules being generated and destroyed by the reaction process.
In
this case, the fact that the system is closed is expressed by stating that the
total number of each elemental atom is conserved, no matter what kind of
molecule it may be a part of.
Systems are generally classified as open systems and closed systems and
they can take the form of mechanical, biological, or social systems.
Open
systems refer to systems that interact with other systems or the
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