Chapter Three
Laws of Thermodynamics–II
3.1 Second Law of Thermodynamics
3.2 Second Law of Thermodynamics–Corollaries
3.1 Second Law of Thermodynamics
The first law of thermodynamics helps in finding out change in energy of a system for a given amount of heat and work exchange in a process. However, it fails to answer questions like why heat flows from high temperature to low temperature, why work cannot be produced by a system undergoing a cycle change if it exchanges heat with a single thermal reservoir, why an apple falls to the ground after leaving the branch of a tree, or why water flows from high altitude to low altitude and so on. That is, energy analysis cannot answer ...
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