In thermodynamic equilibrium there are no net ____________ flows of matter or of energy, either within a system or between systems.

microscopic

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macroscopic

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electron

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both

A

and

B

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Solution

The correct option is B macroscopic
Thermodynamic equilibrium is an axiomatic concept of thermodynamics. It is an internal state of a single thermodynamic system, or a relation between several thermodynamic systems connected by more or less permeable or impermeable walls. In thermodynamic equilibrium there are no net macroscopic flows of matter or of energy, either within a system or between systems. In a system in its own state of internal thermodynamic equilibrium, no macroscopic change occurs.

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Thermodynamics mainly deals with
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