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An adiabatic furnace is fed with 10 gmol/min mystery element Q (which is naturally in the gas phase at reaction conditions) and 50 gmol/min of Air such that both streams are at 25°C and 1 atm. Complete combustion of the mystery gas is achieved in the furnace, and yields an exit stream where the only combustion product is gas QO. The outlet temperature of the gas mixture is increased by exactly 93°C. Assume the molar ratio of N2 to O2 in air is 4:1. Based on this observation, what is the standard enthalpy of formation QO at 25°C (∆Ĥ°f)? The following constant value heat capacities are available: Cp=35.0 J/(gmol K) for Q Cp=29.3 J/(gmol K) for O2 Cp=29.1 J/(gmol K) for N2 Cp=50.0 J/(gmol K) for QO

An adiabatic furnace is fed with 10 gmol/min mystery element Q (which is naturally in the gas phase at reaction conditions) and 50 gmol/min of Air such that both streams are at 25°C and 1 atm. Complete combustion of the mystery gas is achieved in the furnace, and yields an exit stream where the only combustion product is gas QO. The outlet temperature of the gas mixture is increased by exactly 93°C. Assume the molar ratio of N2 to O2 in air is 4:1. Based on this observation, what is the standard enthalpy of formation QO at 25°C (∆Ĥ°f)? The following constant value heat capacities are available: Cp=35.0 J/(gmol K) for Q Cp=29.3 J/(gmol K) for O2 Cp=29.1 J/(gmol K) for N2 Cp=50.0 J/(gmol K) for QO

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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An adiabatic furnace is fed with 10 gmol/min mystery element Q (which is naturally in the gas phase at reaction conditions) and 50 gmol/min of Air such that both streams are at 25°C and 1 atm. Complete combustion of the mystery gas is achieved in the furnace, and yields an exit stream where the only combustion product is gas QO. The outlet temperature of the gas mixture is increased by exactly 93°C. Assume the molar ratio of N2 to O2 in air is 4:1. Based on this observation, what is the standard enthalpy of formation QO at 25°C (∆Ĥ°f)? The following constant value heat capacities are available:

Cp=35.0 J/(gmol K) for Q Cp=29.3 J/(gmol K) for O2

Cp=29.1 J/(gmol K) for N2 Cp=50.0 J/(gmol K) for QO

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