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3. Consider the following reaction: N204(g) 2 NO2(g) colorless brown a. As the flask is cooled the color becomes lighter brown. Is the reaction endo- or exothermic? b. The size of the vessel is decreased. Does the color become lighter or darker? C. Some N2O4(g) is removed. Does the color become lighter or darker?

3. Consider the following reaction: N204(g) 2 NO2(g) colorless brown a. As the flask is cooled the color becomes lighter brown. Is the reaction endo- or exothermic? b. The size of the vessel is decreased. Does the color become lighter or darker? C. Some N2O4(g) is removed. Does the color become lighter or darker?

General Chemistry - Standalone book (MindTap Course List)
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
Chapter14: Chemical Equilibirum
Section: Chapter Questions
Problem 14.119QP: Consider the reaction N2O4(g)2NO2(g). Would you expect this reaction to be endothermic or...
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3. Consider the following reaction: e couarde N204(g) 2 NO2(g) colorless brown a. As the flask is cooled the color becomes lighter brown. Is the reaction endo- or exothermic? b. The size of the vessel is decreased. Does the color become lighter or darker? c. Some N2O4(g) is removed. Does the color become lighter or darker? 4. Consider the following exothermic reaction which is used as a source of O2 in some self-contained breathing devices. 4 KO2(s) + 2 CO2(g) 2 K2CO3(s) + 3 O2(g) The above reaction is at equilibrium in a closed container. For each of the
Transcribed Image Text:3. Consider the following reaction: e couarde N204(g) 2 NO2(g) colorless brown a. As the flask is cooled the color becomes lighter brown. Is the reaction endo- or exothermic? b. The size of the vessel is decreased. Does the color become lighter or darker? c. Some N2O4(g) is removed. Does the color become lighter or darker? 4. Consider the following exothermic reaction which is used as a source of O2 in some self-contained breathing devices. 4 KO2(s) + 2 CO2(g) 2 K2CO3(s) + 3 O2(g) The above reaction is at equilibrium in a closed container. For each of the
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