Find du= a measurable prop mathematical der

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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**Topic: Thermodynamics - Derivation of Internal Energy Equation**

**Objective**: 
Derive the differential change in internal energy \(dU\) in terms of measurable thermodynamic properties.

**Instruction**:
Find \(dU = dU(T, V)\) in terms of measurable properties (\(C_P, V, T\)). Show the mathematical derivation.

---

**Detailed Explanation**:

To begin the derivation, start with the first law of thermodynamics, which states:

\[ dU = TdS - PdV \]

By using thermodynamic identities and relationships between the measurable quantities (heat capacity at constant pressure \(C_P\), volume \(V\), and temperature \(T\)), we can express the internal energy differential in a more practical form for experimental use or theoretical analysis. 

In summary, this exercise aims to express \(dU\) as a function of temperature and volume, incorporating measurable properties to provide a robust understanding and application in thermodynamic studies.
Transcribed Image Text:**Topic: Thermodynamics - Derivation of Internal Energy Equation** **Objective**: Derive the differential change in internal energy \(dU\) in terms of measurable thermodynamic properties. **Instruction**: Find \(dU = dU(T, V)\) in terms of measurable properties (\(C_P, V, T\)). Show the mathematical derivation. --- **Detailed Explanation**: To begin the derivation, start with the first law of thermodynamics, which states: \[ dU = TdS - PdV \] By using thermodynamic identities and relationships between the measurable quantities (heat capacity at constant pressure \(C_P\), volume \(V\), and temperature \(T\)), we can express the internal energy differential in a more practical form for experimental use or theoretical analysis. In summary, this exercise aims to express \(dU\) as a function of temperature and volume, incorporating measurable properties to provide a robust understanding and application in thermodynamic studies.
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