Using the three reactions below, determine change in enthalpy (kJ) for the combustion of ethane (C2H6). 2C2H6(g) + 7O2(g) ⟶⟶ 4CO2(g) + 6H2O(l) Δ?ΔH = ? 2C(s) + 3H2(g) ⟶⟶ C2H6(g) Δ?=−83.85??ΔH=−83.85kJ H2(g) + 1/2 O2(g) ⟶⟶ H2O(l) Δ?=−285.83??ΔH=−285.83kJ C(s) + O2(g) ⟶⟶ CO2(g) Δ?=−393.51??ΔH=−393.51kJ
Using the three reactions below, determine change in enthalpy (kJ) for the combustion of ethane (C2H6). 2C2H6(g) + 7O2(g) ⟶⟶ 4CO2(g) + 6H2O(l) Δ?ΔH = ? 2C(s) + 3H2(g) ⟶⟶ C2H6(g) Δ?=−83.85??ΔH=−83.85kJ H2(g) + 1/2 O2(g) ⟶⟶ H2O(l) Δ?=−285.83??ΔH=−285.83kJ C(s) + O2(g) ⟶⟶ CO2(g) Δ?=−393.51??ΔH=−393.51kJ
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section5.5: Enthalpy Changes For Chemical Reactions
Problem 5.6CYU: The combustion of ethane, C2H6, has an enthalpy change of 2857.3 kJ for the reaction as written...
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Using the three reactions below, determine change in enthalpy (kJ) for the combustion of ethane (C2H6).
2C2H6(g) + 7O2(g) ⟶⟶ 4CO2(g) + 6H2O(l) Δ?ΔH = ?
2C(s) + 3H2(g) ⟶⟶ C2H6(g) Δ?=−83.85??ΔH=−83.85kJ
H2(g) + 1/2 O2(g) ⟶⟶ H2O(l) Δ?=−285.83??ΔH=−285.83kJ
C(s) + O2(g) ⟶⟶ CO2(g) Δ?=−393.51??ΔH=−393.51kJ
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