Limitations of First Law of Thermodynamics
- The first law of thermodynamics has a limitation in that it states nothing about the direction of heat flow.
- It is not feasible to reverse the procedure. In actuality, the heat does not entirely convert to labor. We could move ships across the ocean by extracting heat from the ocean’s water if it had been feasible to turn all of the heat into work.
- It makes no distinction between whether the process is spontaneous or not.
Perpetual Motion Machine of First Kind (PMM1)
It is impossible to build a machine that can do mechanical work indefinitely without spending any energy. The perpetual motion machine of the first type is a hypothetical device like this. These machines contradict the first rule of thermodynamics and do not exist in the actual world.
First Law of Thermodynamics
First Law of Thermodynamics adaptation of the Law of Conservation of Energy differentiates between three types of energy transfer: Heat, Thermodynamic Work, and Energy associated with matter transfer. It also relates each type of energy transfer to a property of a body’s Internal Energy.
The First Law of Thermodynamics states that energy cannot be created or destroyed however, it can be transferred from one form to another. Also, according to the first law of thermodynamics, Heat is a form of energy and the thermodynamic processes (like Isothermal, Isochoric, Adiabatic, Isothermal, and Quasi-Static Processes.) obey the Law of Conservation of Energy.
Table of Content
- What is the First Law of Thermodynamics?
- First Law of Thermodynamics Formula
- Limitations of First Law of Thermodynamics
- First Law of Thermodynamics for a Closed System
- Solved Examples
- FAQs