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First law of Thermodynamics is considered one of the most asked concept.
27 Questions around this concept.
Which of the following is incorrect regarding the first law of thermodynamics?
In a given process of an ideal gas dW=0 and dQ<0. Then for the gas
An ideal gas is taken via path as shown in figure. The net work done in the whole cycle is
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First law of thermodynamics -
According to it heat given to a system (Q) is equal to the sum of increase in its internal energy (U) and the work done (W) by the system against the surroundings.
or For cyclic process
Drawback of First law of thermodynamics -
Important points -
Q and W are the path functions but U is the point function.
First law of thermodynamics introduces the concept of internal energy.
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