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Which one of the following pairs best expresses a relationship similar to that expressed in the pair “pressure-volume” for a thermodynamic system undergoing a process?
  • a)
    enthalpy-entropy
  • b)
    pressure-enthalpy
  • c)
    pressure-temperature
  • d)
    temperature-entropy
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Which one of the following pairs best expresses a relationship similar...
Relationship between Pressure-Volume and Temperature-Entropy

The relationship between pressure and volume for a thermodynamic system undergoing a process is known as the PV relationship. This relationship is an important concept in thermodynamics as it describes the behavior of gases and other fluids under different conditions. Similarly, there exists another pair that expresses a similar relationship, which is temperature-entropy.

Temperature-Entropy Relationship

The relationship between temperature and entropy is expressed as the T-S relationship. Entropy is a measure of the disorder or randomness of a system, while temperature is a measure of the average kinetic energy of molecules in a system. The T-S relationship describes how the entropy of a system changes with temperature.

Comparison between PV and TS Relationships

Like the PV relationship, the T-S relationship is also an important concept in thermodynamics. Both relationships describe the behavior of a system undergoing a process. Some of the similarities and differences between the two relationships are:

Similarities:

- Both relationships describe the behavior of a system undergoing a process.
- Both relationships are represented graphically, with pressure/volume on the x-axis and temperature/entropy on the y-axis.

Differences:

- The PV relationship describes the behavior of a system in terms of pressure and volume, while the T-S relationship describes the behavior of a system in terms of temperature and entropy.
- The PV relationship is used to calculate work done by a system, while the T-S relationship is used to calculate the efficiency of a system.

Conclusion

In conclusion, the relationship between pressure and volume for a thermodynamic system undergoing a process is similar to the relationship between temperature and entropy for the same system. While the PV relationship describes the behavior of a system in terms of pressure and volume, the T-S relationship describes the behavior of a system in terms of temperature and entropy. Both relationships are important concepts in thermodynamics and are used to calculate different properties of a system.
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Community Answer
Which one of the following pairs best expresses a relationship similar...
Pressure and volume are inversely proportional to each other. Henceforth from the options correlating Thier pairs we get answer as 'D'.
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Which one of the following pairs best expresses a relationship similar to that expressed in the pair “pressure-volume” for a thermodynamic system undergoing a process?a)enthalpy-entropyb)pressure-enthalpyc)pressure-temperatured)temperature-entropy Correct answer is option 'D'. Can you explain this answer?
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