Calculate the heat of combustion of ethane (C₂H6) from the following data for standard enthalpies of formation:

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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59. Encode the solution.

Calculate the heat of combustion of ethane (C₂H6)
from the following data for standard enthalpies of
formation:
(1) 2C(graphite) + 3H₂(g) → C₂H₂(g) ΔΗΩ Ο
- 84.68 kJ/mol
(2) C(graphite) + O₂(g) → CO₂(g)
AH° =
393.51 kJ/mol
(3) H₂(g) + O₂(g) → H₂O(1)
A/H° =
285.85 kJ/mol
Transcribed Image Text:Calculate the heat of combustion of ethane (C₂H6) from the following data for standard enthalpies of formation: (1) 2C(graphite) + 3H₂(g) → C₂H₂(g) ΔΗΩ Ο - 84.68 kJ/mol (2) C(graphite) + O₂(g) → CO₂(g) AH° = 393.51 kJ/mol (3) H₂(g) + O₂(g) → H₂O(1) A/H° = 285.85 kJ/mol
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