Why thermodynamics in physics is different from the thermodynamics in chemistry?

Question

Answer

Just in chemistry work done by the system is taken to be negative and on the system is taken to be positive while in physics it is the opposite. ... Thermodynamics in Chemistry gives comparatively more importance to the surroundings whereas inPhysics more importance is given to the system itself.

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Difference in case of sign of work done. rest all is same

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There is no difference in concepts. the difference is of FRAME . In chemistry ,work done by the system is negative and in physics work done by the system is positive

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Thanks a lot

Answer

Introduction:
Thermodynamics is a branch of science that deals with the study of energy and its transformations. It is a fundamental subject in both physics and chemistry, but there are some differences in the way thermodynamics is approached in these two disciplines.

Key Differences:

1. Focus:
- In physics, thermodynamics focuses on general principles and laws that govern the behavior of energy and its transformations in various systems.
- In chemistry, thermodynamics is more concerned with the application of these principles to chemical reactions and processes.

2. Scope:
- Physics thermodynamics covers a wide range of systems, including mechanical, electrical, and thermal systems, as well as astrophysical phenomena like black holes and the early universe.
- Chemistry thermodynamics primarily focuses on chemical reactions, phase changes, and the behavior of substances under different conditions.

3. Emphasis:
- Physics thermodynamics emphasizes the understanding of the fundamental concepts and principles, such as the laws of thermodynamics, entropy, and energy conservation.
- Chemistry thermodynamics places more emphasis on the quantitative aspects, such as calculating enthalpy changes, Gibbs free energy, and equilibrium constants for chemical reactions.

4. Mathematical Treatment:
- Physics thermodynamics often employs mathematical formalism and abstract concepts to derive and explain the principles and laws.
- Chemistry thermodynamics uses mathematical equations and formulas in a more applied manner to solve problems related to chemical reactions and processes.

5. Thermodynamic Systems:
- Physics thermodynamics considers a broader range of systems, including idealized systems like gases and abstract concepts like heat engines.
- Chemistry thermodynamics primarily deals with real-world chemical systems, such as reactions occurring in solutions or at specific temperatures and pressures.

Conclusion:
While both physics and chemistry share the foundation of thermodynamics, there are differences in their focus, scope, emphasis, mathematical treatment, and the types of systems they consider. Physics thermodynamics provides a more general understanding of energy and its transformations, while chemistry thermodynamics applies these principles to chemical reactions and processes.

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