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Isentropic enthalpy is a measure of energy in a system that remains constant during an isentropic process, which is a thermodynamic process where there is no change in entropy. In thermodynamic processes, isentropic enthalpy helps to analyze the energy changes that occur without considering any heat transfer or work done.

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What is the relationship between adiabatic expansion and enthalpy change in a thermodynamic system?

During adiabatic expansion in a thermodynamic system, there is no heat exchange with the surroundings. This leads to a change in enthalpy, which is the total heat content of the system. The enthalpy change during adiabatic expansion is related to the work done by the system and can be calculated using the first law of thermodynamics.


What does the enthalpy vs temperature graph reveal about the relationship between enthalpy and temperature?

The enthalpy vs temperature graph shows how enthalpy changes with temperature. It reveals that as temperature increases, enthalpy also tends to increase. This indicates a positive relationship between enthalpy and temperature.


When should one choose to use internal energy or enthalpy in a thermodynamic analysis?

One should choose to use internal energy when focusing on the system's energy changes, and enthalpy when considering heat transfer at constant pressure.


What is the enthalpy of air at 700 kPa and 450 K?

The enthalpy of air at 700 kPa and 450 K can be determined using specific enthalpy values for these conditions from thermodynamic tables or equations. Without specific values, it is not possible to provide an exact answer.


What is an isenthalpic process and how does it relate to the conservation of enthalpy in thermodynamics?

An isenthalpic process is a thermodynamic process where the enthalpy of a system remains constant. This means that the heat added or removed from the system is equal to the work done by the system. In other words, the total energy of the system remains constant during an isenthalpic process, demonstrating the conservation of enthalpy in thermodynamics.

Related Questions

How do you make a sentence for enthalpy?

Enthalpy is a thermodynamic property of a thermodynamic system.


What are the units for enthalpy and how are they typically represented in thermodynamic calculations?

The units for enthalpy are joules (J) or kilojoules (kJ). In thermodynamic calculations, enthalpy is typically represented using the symbol "H" and expressed in these units.


What is the relationship between adiabatic expansion and enthalpy change in a thermodynamic system?

During adiabatic expansion in a thermodynamic system, there is no heat exchange with the surroundings. This leads to a change in enthalpy, which is the total heat content of the system. The enthalpy change during adiabatic expansion is related to the work done by the system and can be calculated using the first law of thermodynamics.


What is the difference between isentropic and isenthalpic expansion?

isenthalpic expansion is through PRDS or control valve where entropy changes. Whereas expansion through a steam turbine is isentropic one and enthalpy drops. isentropic expansion is more efficient process as compared to isenthalic one.


What is the relationship between adiabatic processes and the change in enthalpy (H)?

In adiabatic processes, there is no heat exchange with the surroundings, so the change in enthalpy (H) is equal to the change in internal energy (U). This means that in adiabatic processes, the change in enthalpy is solely determined by the change in internal energy.


When should one use enthalpy instead of internal energy in thermodynamic calculations?

Enthalpy should be used instead of internal energy in thermodynamic calculations when the system involves a constant pressure and the focus is on heat transfer.


When should one choose to utilize internal energy or enthalpy in a thermodynamic analysis?

One should choose to utilize internal energy when focusing on the system's energy changes, and enthalpy when considering heat transfer at constant pressure in a thermodynamic analysis.


What does the enthalpy vs temperature graph reveal about the relationship between enthalpy and temperature?

The enthalpy vs temperature graph shows how enthalpy changes with temperature. It reveals that as temperature increases, enthalpy also tends to increase. This indicates a positive relationship between enthalpy and temperature.


What is enthaply?

Enthalpy is a thermodynamic property of a system that represents the total heat content of the system. It is denoted by the symbol H and is equal to the internal energy of the system plus the product of pressure and volume. Enthalpy is commonly used to analyze energy changes in chemical reactions.


When should one choose to use internal energy or enthalpy in a thermodynamic analysis?

One should choose to use internal energy when focusing on the system's energy changes, and enthalpy when considering heat transfer at constant pressure.


What has the author Leland H Jorgensen written?

Leland H. Jorgensen has written: 'Charts of isentropic exponent as a function of enthalpy for various gases in equilibrium' -- subject(s): Gas flow, Tables


What is the enthalpy of reaction apex's?

The enthalpy of reaction, denoted as ΔH, is the heat absorbed or released during a chemical reaction. It is specific to each reaction and can be positive (endothermic) or negative (exothermic). The value of enthalpy of reaction for a specific reaction can be calculated experimentally or using thermodynamic data.

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