The Clausius Statement of the 2nd Law

There are many ways to state the

2nd Law of Thermodynamics

.
The form that is easiest to understand is the

Clausius Statement of the 2nd Law

.
Clausius
Statement
:
A system operating in a thermodynamic cycle can not transfer energy (heat) from a cooler body to a hotter body and produce no other effect on the universe.
IMPOSSIBLE !
A heat engine that takes in heat from a cold reservoir and rejects heat to a hot reservoir with no net work input.
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Ch 6, Lesson C, Page 3 - The Clausius Statement of the 2nd Law