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7. The exact differential equation of enthalpy can be expressed as below: = dHuСpdp + CpdT where Cp: constant pressure heat capacity μ: Joule-Thomson coefficient με H a) Derive the exact differential equation of enthalpy from the general exact differential equation of enthalpy: dH = dp + дрт (F), dT P b) Considering that you use nitrogen gas to make a temperature drop to an isenthalpic system, how much pressure drop is required to cool the system by 20 K? The Joule-Thomson coefficient of nitrogen is μ = 0.27 K atm-1.

7. The exact differential equation of enthalpy can be expressed as below: = dHuСpdp + CpdT where Cp: constant pressure heat capacity μ: Joule-Thomson coefficient με H a) Derive the exact differential equation of enthalpy from the general exact differential equation of enthalpy: dH = dp + дрт (F), dT P b) Considering that you use nitrogen gas to make a temperature drop to an isenthalpic system, how much pressure drop is required to cool the system by 20 K? The Joule-Thomson coefficient of nitrogen is μ = 0.27 K atm-1.

Physical Chemistry
Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter2: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 2.12E: If the heat capacity varies withtemperature, abetter form ofequation 2.9 isto solve q=TiTfnCT-t A...
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7. The exact differential equation of enthalpy can be expressed as below: = dHuСpdp + CpdT where Cp: constant pressure heat capacity μ: Joule-Thomson coefficient με H a) Derive the exact differential equation of enthalpy from the general exact differential equation of enthalpy: dH = dp + дрт (F), dT P b) Considering that you use nitrogen gas to make a temperature drop to an isenthalpic system, how much pressure drop is required to cool the system by 20 K? The Joule-Thomson coefficient of nitrogen is μ = 0.27 K atm-1.
Transcribed Image Text:7. The exact differential equation of enthalpy can be expressed as below: = dHuСpdp + CpdT where Cp: constant pressure heat capacity μ: Joule-Thomson coefficient με H a) Derive the exact differential equation of enthalpy from the general exact differential equation of enthalpy: dH = dp + дрт (F), dT P b) Considering that you use nitrogen gas to make a temperature drop to an isenthalpic system, how much pressure drop is required to cool the system by 20 K? The Joule-Thomson coefficient of nitrogen is μ = 0.27 K atm-1.
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