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2. The higher heating value (HHV) of a fuel is its standard heat of combustion at 298.15 K (25°) with liquid water as product; the lower heating value (LHV) is for water vapour as product. a. Explain the origin of these terms b. Determine the HHV and the LHV for natural gas, modelled as pure methane. c. Determine the HHV and the LHV for a home-heating oil, modelled as pure liquid n- decane. For n-decane as a liquid, AH,298 = -249,700 J/mol.

2. The higher heating value (HHV) of a fuel is its standard heat of combustion at 298.15 K (25°) with liquid water as product; the lower heating value (LHV) is for water vapour as product. a. Explain the origin of these terms b. Determine the HHV and the LHV for natural gas, modelled as pure methane. c. Determine the HHV and the LHV for a home-heating oil, modelled as pure liquid n- decane. For n-decane as a liquid, AH,298 = -249,700 J/mol.

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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2. The higher heating value (HHV) of a fuel is its standard heat of combustion at 298.15 K (25°) with liquid water as product; the lower heating value (LHV) is for water vapour as product. a. Explain the origin of these terms b. Determine the HHV and the LHV for natural gas, modelled as pure methane. c. Determine the HHV and the LHV for a home-heating oil, modelled as pure liquid n- decane. For n-decane as a liquid, AH,298 = -249,700 J/mol.
Transcribed Image Text:2. The higher heating value (HHV) of a fuel is its standard heat of combustion at 298.15 K (25°) with liquid water as product; the lower heating value (LHV) is for water vapour as product. a. Explain the origin of these terms b. Determine the HHV and the LHV for natural gas, modelled as pure methane. c. Determine the HHV and the LHV for a home-heating oil, modelled as pure liquid n- decane. For n-decane as a liquid, AH,298 = -249,700 J/mol.
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