Define thermodynamics first law?

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Dr. basant Ramawat

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The first law of thermodynamics is a version of the law of conservation of energy, adapted for thermodynamic systems. The law of conservation of energy states that the total energy of an isolated system is constant; energy can be transformed from one form to another, but cannot be created or destroye...
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Mathematics tutor with 6 years of experience

Also remember that the laws of thermodynamics are purely empirical, and have no theoretical basis. They are enunciated purely on the basis of observation, and no physical phenomenon has been ever reported to violate the laws. But this does not mean that the laws are true and universal. Some day something...
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Also remember that the laws of thermodynamics are purely empirical, and have no theoretical basis. They are enunciated purely on the basis of observation, and no physical phenomenon has been ever reported to violate the laws. But this does not mean that the laws are true and universal. Some day something might occur that may violate the law(s) and then we might need to modify the laws so as to suit those "unusual" observations. The thermodynamical laws are thus naturally different from Newton's laws of motion, the latter being rather defining and axiomatic in nature. read less
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The first law of thermodynamics is a version of the law of conservation of energy, adapted for thermodynamic systems. The law of conservation of energy states that the total energy of an isolated system is constant; energy can be transformed from one form to another, but cannot be created or destroye...
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Mechanical Engineering from jntuh college

cyclic integral of dQ = cyclic integral of dW
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The first law of thermodynamics is a version of the law of conservation of energy, adapted for thermodynamic systems. The law of conservation of energy states that the total energy of an isolated system is constant; energy can be transformed from one form to another, but cannot be created or destroye...
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Science Field

The first law states that change in internal energy is equal to the heat energy applied to it minus the work done.
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Mathematics teacher 6yr experience in teaching

it states that-the total energy of an isolated system is always constant,energy can transform one to another but cannot be created or destroiyed.
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Specialist in chemistry

The First Law of Thermodynamics states that energy can be converted from one form to another with the interaction of heat, work and internal energy, but it cannot be created nor destroyed, under any circumstances. Mathematically, this is represented as ?U=q+w
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A good tutor

Thermodynamics first law states that, total energy is always constant. Energy can neither be created nor be destroyed ; it can only be transformed from form to another.
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Physics master

Heat given to a system (dQ) is equal to the sum of increase in its internal energy (dU) and the external work done (dW) by the system against surroundings. i.e., dQ = dU + dW
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