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A gas contains 75.0 wt% methane, 10.0% ethane, 5.0% ethylene and the balance water. What is the mol% methane on a wet basis as a percentage? 81.4 What is the mol% ethane on a dry basis as a percentage? 6.347 If the feed rate of the gas is 100 kg/hour, what flow rate of air in kg/h is necessary for 30% excess air? 1969

A gas contains 75.0 wt% methane, 10.0% ethane, 5.0% ethylene and the balance water. What is the mol% methane on a wet basis as a percentage? 81.4 What is the mol% ethane on a dry basis as a percentage? 6.347 If the feed rate of the gas is 100 kg/hour, what flow rate of air in kg/h is necessary for 30% excess air? 1969

Introduction to Chemical Engineering Thermodynamics
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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I know the correct answer for part c is 1969.77 but Im not sure the step into getting that answer. PLEASE HELP! 

A gas contains 75.0 wt% methane, 10.0% ethane, 5.0% ethylene, and the balance water. 1. **What is the mol% methane on a wet basis as a percentage?** - **Answer:** 81.43% 2. **What is the mol% ethane on a dry basis as a percentage?** - **Answer:** 6.347% 3. **If the feed rate of the gas is 100 kg/hour, what flow rate of air in kg/h is necessary for 30% excess air?** - **Answer:** 1969 kg/h 4. **If combustion is complete with 30% excess air, what is the mol% water in the product gas as a percentage?** - **Answer:** (Blank for user calculation)
Transcribed Image Text:A gas contains 75.0 wt% methane, 10.0% ethane, 5.0% ethylene, and the balance water. 1. **What is the mol% methane on a wet basis as a percentage?** - **Answer:** 81.43% 2. **What is the mol% ethane on a dry basis as a percentage?** - **Answer:** 6.347% 3. **If the feed rate of the gas is 100 kg/hour, what flow rate of air in kg/h is necessary for 30% excess air?** - **Answer:** 1969 kg/h 4. **If combustion is complete with 30% excess air, what is the mol% water in the product gas as a percentage?** - **Answer:** (Blank for user calculation)
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