1. The percent excess air depends on which of the following factors?I. air feed rateII. theoretical oxygenIII. fraction of fuel taht undergoes complete combustion.a. I and II onlyb. I onlyc. I, II, and III 2. One hundred moles of a gaseous fuel containing 50% propane (C3H8) and 50% butane (C4H10). What is the theoretical moles of O2 required for combustion?3. The burning of pure propane (C3H8) with excess air gives a stack gas shows that it contains 12.3% CO2 on a dry basis. What could be used as a tie component for the material balance of the described process?

To answer the three questions related to combustion reactions

Answered: 1. The percent excess air depends on…

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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1. The percent excess air depends on which of the following factors?

I. air feed rate

II. theoretical oxygen

III. fraction of fuel taht undergoes complete combustion.

a. I and II only

b. I only

c. I, II, and III

2. One hundred moles of a gaseous fuel containing 50% propane (C₃H₈) and 50% butane (C₄H₁₀). What is the theoretical moles of O₂ required for combustion?

3. The burning of pure propane (C₃H₈) with excess air gives a stack gas shows that it contains 12.3% CO₂on a dry basis. What could be used as a tie component for the material balance of the described process?

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