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# On which thermodynamic law a thermodynamics cycle based?

131415 ###### 2010-03-15 14:13:59

Thermodynamic cycle is based on 2nd law of thermodynamics.

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## Related Questions  zeroth law forms the basis for first law of thermodynamics   There are four laws of thermodynamics;Zeroth Law of Thermodynamics.First Law of Thermodynamics.Second Law of Thermodynamics.Third Law of Thermodynamics.  The second law of thermodynamics, generally stated, is that the entropy of an isolated system always increases in any natural process where change occurs. In a system at equilibrium, of course, the entropy remains constant.   The 1st Law of thermodynamics is a restatement of the law of conservation of energy. There were several mathematical ideas which interacted with thermodynamics. By far the most important of these is statistics.Some physicists believe that the Second Law of Thermodynamics is the one physical law of whose validity we can be totally certain, because it is based on statistics. * First law of thermodynamics, about the conservation of energy: : :: The change in the internal energy of a closed thermodynamic system is equal to the sum of the amount of heat energy supplied to the system and the work done on the system. --from Wikipedia Empirical scales are based on the measurement of physical parameters that express the property of interest to be measured trough some formal, most commonly a simple linear, functional relationship. For the measurement of temperature, the formal definition of thermal equilibrium in terms of the thermodynamic coordinate spaces of thermodynamic systems, expressed in the zeroth law of thermodynamics, provides the framework to measure temperature. One of the application of the first law of thermodynamics is in cyclic process. In cyclic process, the system return to its initial state at the end of the cycle,the change in internal energy of the system along the complete cycle process is ZERO i.e.,dU = o Thererfore for cyclic process,the first law of thermodynamic becomes dQ = 0 + PdV or, dW = PdV i.e., in cyclic process, the heat supplied to the gas is wholly converted into work. It can prove that area of the cyclic process is numerically equal to the work done during the process. **DINGOBOT WILL FLAG THIS..!!  What is the industrial application of first law of thermodynamics? That would be the First Law of Thermodynamics. It is the same as Conservation of Energy.   it is based on law of conservation of energy.it also supports the Joule's law as it introduces the concept of internal energy Not exactly. The first law of thermodynamics, i.e. the law of conservation of energy, also accounts for heat as one of the many forms that energy can take. There is no one law called "the law of thermodynamics", but there are several "Laws of Thermodynamics" (note the plural form "LAWS"). The First Law of Thermodynamics is another name for the Law of Conservation of Energy. As stated by the expert: The First Law of Thermodynamics IS the Law of Conservation of Energy. The Second Law of Thermodynamics is not directly related; however, it provides additional restrictions, as to what can, and what cannot, be achieved. The First Law of Thermodynamics is a restatement of the Principle or Law of Conservation of Energy. The Second Law of Thermodynamics is equivalent to the Law of Conservation of Energy. The Law of Conservation of Matter is not stated in the laws of Thermodynamics.

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