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A gas mixture with 90wt% methane and 10wt% water vapor is burnt in 120% theoretical air. a. Calculate the LHV (in kJ/kg) of the gas mixture. b. Calculate the % of energy loss from the exhaust compared to LHV if the exhaust temperature is 225 °C.

A gas mixture with 90wt% methane and 10wt% water vapor is burnt in 120% theoretical air. a. Calculate the LHV (in kJ/kg) of the gas mixture. b. Calculate the % of energy loss from the exhaust compared to LHV if the exhaust temperature is 225 °C.

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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A gas mixture with 90wt% methane and 10wt% water vapor is burnt in 120% theoretical air. a. Calculate the LHV (in kJ/kg) of the gas mixture. b. Calculate the % of energy loss from the exhaust compared to LHV if the exhaust temperature is 225 °C.
Transcribed Image Text:A gas mixture with 90wt% methane and 10wt% water vapor is burnt in 120% theoretical air. a. Calculate the LHV (in kJ/kg) of the gas mixture. b. Calculate the % of energy loss from the exhaust compared to LHV if the exhaust temperature is 225 °C.
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