General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.116QP: Ethylene glycol, HOCH2CH2OH, is used as antifreeze. It is produced from ethylene oxide, C2H4O, by...
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Question
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Ozone, O3(g)O3(g), is a form of elemental oxygen that is important in the absorption of ultraviolet radiation in the stratosphere. It decomposes to O2(g)O2(g) at room temperature and pressure according to the following reaction:
2O3(g)→3O2(g)ΔH=−284.6kJ2O3(g)→3O2(g)ΔH=−284.6kJ |
Part AWhat is the enthalpy change for this reaction per mole of O3(g)O3(g)?
Express your answer to four significant figures and include the appropriate units.
|
Which has the higher enthalpy under these conditions, 2 O3(g)O3(g) or 3 O2(g)O2(g)?
| 2 O3(g)O3(g) has the higher enthalpy |
| 3 O2(g)O2(g) has the higher enthalpy |
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