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Which of the following is not thermodynamical function
- a)Enthalpy
- b)Work done
- c)Gibb's energy
- d)Internal energy
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which of the following is not thermodynamical functiona)Enthalpyb)Work...
Work done by a system (W) = PdV. Therefore it is proportional to pressure and change in volume and does not depend upon the temperature. Therefore work done is not a thermodynamical function.
Community Answer
Which of the following is not thermodynamical functiona)Enthalpyb)Work...
Work done is not a thermodynamic function
Work done is not a thermodynamic function because it is not a state function. A state function is a property of a system that depends only on the current state of the system, regardless of how that state was reached. Work done, on the other hand, is a path function, meaning it depends on the path taken to reach a certain state.
Thermodynamic functions
- Enthalpy: Enthalpy is a thermodynamic potential that expresses the heat content of a system at constant pressure. It is a state function and is denoted by the symbol H.
- Gibbs energy: Gibbs energy, also known as Gibbs free energy, is a thermodynamic potential that measures the maximum reversible work that can be performed by a system at constant temperature and pressure. It is a state function and is denoted by the symbol G.
- Internal energy: Internal energy is the sum of the kinetic and potential energies of the particles that make up a system. It is a state function and is denoted by the symbol U.
In thermodynamics, state functions are important because they allow us to determine the final state of a system without needing to know the details of the process that took place. Work done, being a path function, does not provide this convenience and therefore is not considered a thermodynamic function.
Work done is not a thermodynamic function because it is not a state function. A state function is a property of a system that depends only on the current state of the system, regardless of how that state was reached. Work done, on the other hand, is a path function, meaning it depends on the path taken to reach a certain state.
Thermodynamic functions
- Enthalpy: Enthalpy is a thermodynamic potential that expresses the heat content of a system at constant pressure. It is a state function and is denoted by the symbol H.
- Gibbs energy: Gibbs energy, also known as Gibbs free energy, is a thermodynamic potential that measures the maximum reversible work that can be performed by a system at constant temperature and pressure. It is a state function and is denoted by the symbol G.
- Internal energy: Internal energy is the sum of the kinetic and potential energies of the particles that make up a system. It is a state function and is denoted by the symbol U.
In thermodynamics, state functions are important because they allow us to determine the final state of a system without needing to know the details of the process that took place. Work done, being a path function, does not provide this convenience and therefore is not considered a thermodynamic function.
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Which of the following is not thermodynamical functiona)Enthalpyb)Work donec)Gibbs energyd)Internal energyCorrect answer is option 'B'. Can you explain this answer?
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