Thermodynamics ____For rest of notes and flash cards and tricks, enrol...
Thermodynamics ____For rest of notes and flash cards and tricks, enrol...
Thermodynamics
Thermodynamics is the branch of physics that deals with the relationships between heat and other forms of energy. It involves studying the transfer of energy in the form of heat and work. Here are some key points to understand about thermodynamics:
First Law of Thermodynamics
- The first law of thermodynamics, also known as the law of conservation of energy, states that energy cannot be created or destroyed, only transferred or converted from one form to another.
- This law is often expressed as ΔU = Q - W, where ΔU is the change in internal energy, Q is the heat added to the system, and W is the work done by the system.
Second Law of Thermodynamics
- The second law of thermodynamics states that the total entropy of an isolated system can never decrease over time.
- This law is often used to explain why heat flows from hot objects to cold objects, and why certain processes are irreversible.
Applications of Thermodynamics
- Thermodynamics has many practical applications in engineering, chemistry, and biology. It is used to design efficient engines, refrigeration systems, and chemical processes.
- Understanding thermodynamics is essential for solving problems related to energy conversion and heat transfer.
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