Using Hess's law, calculate ΔH for the reaction: 2C (s) + H2 (g) -> C2H2 (g) reaction 1 C2H2 (g) + 3O2 (g) -> 2CO2 (g) + 2H2O (l) reaction 2 C(s) + O2 (g) -> CO2 (g) reaction 3 2H2 (g) + O2 (g) -> 2H2O (l) ΔH = -1299.6 KJ ΔH = -393.5 KJ ΔH = -285.5 KJ
Using Hess's law, calculate ΔH for the reaction: 2C (s) + H2 (g) -> C2H2 (g) reaction 1 C2H2 (g) + 3O2 (g) -> 2CO2 (g) + 2H2O (l) reaction 2 C(s) + O2 (g) -> CO2 (g) reaction 3 2H2 (g) + O2 (g) -> 2H2O (l) ΔH = -1299.6 KJ ΔH = -393.5 KJ ΔH = -285.5 KJ
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter4: Energy And Chemical Reactions
Section4.10: Standard Formation Enthalpies
Problem 4.14PSP: Use data from Table 4.2 to calculate the standard combustion enthalpy for conversion of sulfur...
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Using Hess's law, calculate ΔH for the reaction: 2C (s) + H2 (g) -> C2H2 (g)
reaction 1 C2H2 (g) + 3O2 (g) -> 2CO2 (g) + 2H2O (l)
reaction 2 C(s) + O2 (g) -> CO2 (g)
reaction 3 2H2 (g) + O2 (g) -> 2H2O (l)
ΔH = -1299.6 KJ
ΔH = -393.5 KJ
ΔH = -285.5 KJ
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