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20) Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction: 2 H2O2() 2 H20(1) + O2(g) AH = -196 kJ Calculate the value of q (kJ) in this exothermic reaction when 4.00 g of hydrogen peroxide decomposes at constant pressure? A)-2.31 x 10 kJ B) -11.5 kJ C) 1.44 kJ D) -0.0217 kJ E) -23.1 kJ ahast in energy?

20) Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction: 2 H2O2() 2 H20(1) + O2(g) AH = -196 kJ Calculate the value of q (kJ) in this exothermic reaction when 4.00 g of hydrogen peroxide decomposes at constant pressure? A)-2.31 x 10 kJ B) -11.5 kJ C) 1.44 kJ D) -0.0217 kJ E) -23.1 kJ ahast in energy?

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
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.52QP: The decomposition of ozone, O3, to oxygen, O2, is an exothermic reaction. What is the sign of q? If...
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20) Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction: 2 H2O2(/) →2 H2O(1) + O2(g) AH = -196 kJ Calculate the value of q (kJ) in this exothermic reaction when 4.00 g of hydrogen peroxide decomposes at constant pressure? A)-2.31 x 10ʻ kJ B) -11.5 kJ C) 1.44 kJ D) -0.0217 kJ E)-23.1 kJ highest in energy?
Transcribed Image Text:20) Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction: 2 H2O2(/) →2 H2O(1) + O2(g) AH = -196 kJ Calculate the value of q (kJ) in this exothermic reaction when 4.00 g of hydrogen peroxide decomposes at constant pressure? A)-2.31 x 10ʻ kJ B) -11.5 kJ C) 1.44 kJ D) -0.0217 kJ E)-23.1 kJ highest in energy?
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