Podcast
Questions and Answers
What is the internal energy change (∆𝑈) in an adiabatic process where work is done by the system?
What is the internal energy change (∆𝑈) in an adiabatic process where work is done by the system?
- Positive
- Negative (correct)
- Zero
- Depends on the specific conditions
According to the first law of thermodynamics, what is the result of no heat transfer and no work done in an isolated system?
According to the first law of thermodynamics, what is the result of no heat transfer and no work done in an isolated system?
- Internal energy decreases
- Internal energy remains constant (correct)
- Internal energy increases
- Internal energy changes
What does the second law of thermodynamics state about the conversion of heat absorbed by the system into work?
What does the second law of thermodynamics state about the conversion of heat absorbed by the system into work?
- It can be achieved with perfect efficiency
- It is always possible
- It depends on the specific conditions
- It is never possible (correct)
What is the direction of natural flow according to the second law of thermodynamics?
What is the direction of natural flow according to the second law of thermodynamics?
What is the unit for entropy (S) according to the second law of thermodynamics?
What is the unit for entropy (S) according to the second law of thermodynamics?
In an isovolumetric process, what is the change in internal energy of the system?
In an isovolumetric process, what is the change in internal energy of the system?
What is the primary outcome of an isothermal process?
What is the primary outcome of an isothermal process?
Which form of energy is conserved according to the First Law of Thermodynamics?
Which form of energy is conserved according to the First Law of Thermodynamics?
What happens to the internal energy of a system if no heat is transferred and no work is done on or by the system?
What happens to the internal energy of a system if no heat is transferred and no work is done on or by the system?
What is the relationship between heat (Q) and work (W) in an isothermal process?
What is the relationship between heat (Q) and work (W) in an isothermal process?
The first law of thermodynamics states that the total energy of various forms in a system remains constant.
The first law of thermodynamics states that the total energy of various forms in a system remains constant.
In an isovolumetric process, no work is done on or by the system.
In an isovolumetric process, no work is done on or by the system.
In an isothermal process, there is no change in internal energy of the system.
In an isothermal process, there is no change in internal energy of the system.
The first law of thermodynamics implies that any change in internal energy must be the result of heat transfer in or out.
The first law of thermodynamics implies that any change in internal energy must be the result of heat transfer in or out.
In an adiabatic process where work is done by the system, the internal energy change (∆𝑈) is always positive.
In an adiabatic process where work is done by the system, the internal energy change (∆𝑈) is always positive.
In an adiabatic process, the internal energy of the system changes as a result of doing work on its surroundings.
In an adiabatic process, the internal energy of the system changes as a result of doing work on its surroundings.
According to the first law of thermodynamics, an isolated system has no change in internal energy if there is no heat transfer and no work done.
According to the first law of thermodynamics, an isolated system has no change in internal energy if there is no heat transfer and no work done.
The Second Law of Thermodynamics states that for any process, the natural flow is always from lower energy value to higher energy value.
The Second Law of Thermodynamics states that for any process, the natural flow is always from lower energy value to higher energy value.
The second law of thermodynamics states that no process is possible in which heat is transferred solely from a higher to a lower temperature.
The second law of thermodynamics states that no process is possible in which heat is transferred solely from a higher to a lower temperature.
For every real-world process, there will always be losses, which aligns with the statement 'Perfect is impossible' according to the second law of thermodynamics.
For every real-world process, there will always be losses, which aligns with the statement 'Perfect is impossible' according to the second law of thermodynamics.
