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(c) Consider the following chemical reaction: C3H8(g) + H2(g) - C2H6(g) + CH4(g) AH° = ? Calculate the enthalpy change for the reaction above using Hess's law. Thermochemical data: H2(8) + ½O2(g) H2O(1) AH° =-285.8 kJ AH°combustion for CH4(g) AH° =-890.0 kJ/mol %3D CO2(8) → C(s, graphite) + O2(g) AH° = +393.5 kJ AH°combustion for C2H6(g) AH° =-1560.0 kJ/mol

(c) Consider the following chemical reaction: C3H8(g) + H2(g) - C2H6(g) + CH4(g) AH° = ? Calculate the enthalpy change for the reaction above using Hess's law. Thermochemical data: H2(8) + ½O2(g) H2O(1) AH° =-285.8 kJ AH°combustion for CH4(g) AH° =-890.0 kJ/mol %3D CO2(8) → C(s, graphite) + O2(g) AH° = +393.5 kJ AH°combustion for C2H6(g) AH° =-1560.0 kJ/mol

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.41QE
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(c) Consider the following chemical reaction: C3H8(g) + H2(g) - C2H6(g) + CH4(g) AH° = ? Calculate the enthalpy change for the reaction above using Hess's law. Thermochemical data: H2(8) + ½O2(g) H2O(1) AH° =-285.8 kJ AH°combustion for CH4(g) AH° =-890.0 kJ/mol %3D CO2(8) → C(s, graphite) + O2(g) AH° = +393.5 kJ AH°combustion for C2H6(g) AH° =-1560.0 kJ/mol
Transcribed Image Text:(c) Consider the following chemical reaction: C3H8(g) + H2(g) - C2H6(g) + CH4(g) AH° = ? Calculate the enthalpy change for the reaction above using Hess's law. Thermochemical data: H2(8) + ½O2(g) H2O(1) AH° =-285.8 kJ AH°combustion for CH4(g) AH° =-890.0 kJ/mol %3D CO2(8) → C(s, graphite) + O2(g) AH° = +393.5 kJ AH°combustion for C2H6(g) AH° =-1560.0 kJ/mol
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