What is the entropy change of the gas in "R or Btu whichever is applicable, heated in a steady-flow process at approximately atmospheric pressure for each of the following conditions? When 800 kJ is added to 10 mol of ethylene initially at 200°C? When 2500 kJ is added to 15 mol of 1-butene initially at 260°C? When 106 Btu is added to 40 lbmol of ethylene initially at 500°F? Check

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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**Problem Statement: Entropy Change of Gases**

This educational exercise examines the entropy change of gas in a steady-flow process at approximately atmospheric pressure. The change is evaluated in units of \( \frac{J}{K} \) or \( \frac{Btu}{R} \), depending on applicability. Consider the following scenarios:

1. **Scenario 1: Ethylene at 200°C**
   - Energy Added: 800 kJ
   - Moles of Ethylene: 10 mol

2. **Scenario 2: 1-Butene at 260°C**
   - Energy Added: 2500 kJ
   - Moles of 1-Butene: 15 mol

3. **Scenario 3: Ethylene at 500°F**
   - Energy Added: \(10^6\) Btu
   - Pound Moles of Ethylene: 40 lbmol

**Instructions:**

For each scenario, calculate the entropy change of the gas using the provided data and the principles of thermodynamics. Enter your answers in the designated text boxes and click “Check” to verify your results.
Transcribed Image Text:**Problem Statement: Entropy Change of Gases** This educational exercise examines the entropy change of gas in a steady-flow process at approximately atmospheric pressure. The change is evaluated in units of \( \frac{J}{K} \) or \( \frac{Btu}{R} \), depending on applicability. Consider the following scenarios: 1. **Scenario 1: Ethylene at 200°C** - Energy Added: 800 kJ - Moles of Ethylene: 10 mol 2. **Scenario 2: 1-Butene at 260°C** - Energy Added: 2500 kJ - Moles of 1-Butene: 15 mol 3. **Scenario 3: Ethylene at 500°F** - Energy Added: \(10^6\) Btu - Pound Moles of Ethylene: 40 lbmol **Instructions:** For each scenario, calculate the entropy change of the gas using the provided data and the principles of thermodynamics. Enter your answers in the designated text boxes and click “Check” to verify your results.
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