What is significance of thermodynamics
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♪ The first law of thermodynamics has the following significances:
- It establishes the relation between heat and work. The total energy of an isolated system must remain constant.
- According to this law, a fixed amount of heat is needed to get a fixed amount of work or to get a fixed amount of heat a fixed amount of work is needed.
- It is impossible to get work or energy without expending something.
- Work and heat are equivalent to each other.
- It is nothing but the principle of conservation of energy. In any system, the sum of work done and change in internal energy is always equal to supplied heat.
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