Question

What are the limitations of the first law of thermodynamics?

Answer 1

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The first law places no restriction on direction. A process will not occur unless it satisfies.

To overcome this limitations, anotherlaw is needed which is known as second law of thermodynamics. The second law of thermodynamics helps us to predict whether the reaction is feasible or not and also tell the direction of the flow of heat. It also tells that energy cannot be completely converted into equivalent work.

Limitations of First Law of Thermodynamics. First law does not provide a clear idea about the direction of absorption or evolution of heat. The informations provided by the first law of thermodynamics are not enough to predict the spontaneity or feasibility of a process.

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Answer 2

I do not tell us about the rate or the kinetics

of the reaction