Two laws of thermodynamics and their applications.
| September 25, 2021 | education
The first law of thermodynamics
Formulation: The change in internal energy (ΔU) is equal to the difference between the amount of heat (Q) transferred to the system and the work (A) performed by the system
Formula: ΔU = Q – A
Application: in isoprocesses in gases. For example, for an isothermal process, the law will be Q = A, since the gas temperature does not change)
The second law of thermodynamics
Formulation: for the Universe as a whole, entropy (measure of chaos) increases
Application: non-insulated isothermal systems (chemistry)
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