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Hydrogen Peroxide Decomposes to Water and Oxygen at Constant Pressure

Question 135

Multiple Choice

Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction: Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction: (l) → O(l) + (g) ΔH = -196 kJ Calculate the value of q (kJ) in this exothermic reaction when 4.00 g of hydrogen peroxide decomposes at constant pressure? A) -23.1 kJ B) -11.5 kJ C) -0.0217 kJ D) 1.44 kJ E) -2.31 × 10<sup>4</sup> kJ Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction: (l) → O(l) + (g) ΔH = -196 kJ Calculate the value of q (kJ) in this exothermic reaction when 4.00 g of hydrogen peroxide decomposes at constant pressure? A) -23.1 kJ B) -11.5 kJ C) -0.0217 kJ D) 1.44 kJ E) -2.31 × 10<sup>4</sup> kJ (l) → Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction: (l) → O(l) + (g) ΔH = -196 kJ Calculate the value of q (kJ) in this exothermic reaction when 4.00 g of hydrogen peroxide decomposes at constant pressure? A) -23.1 kJ B) -11.5 kJ C) -0.0217 kJ D) 1.44 kJ E) -2.31 × 10<sup>4</sup> kJ O(l) + Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction: (l) → O(l) + (g) ΔH = -196 kJ Calculate the value of q (kJ) in this exothermic reaction when 4.00 g of hydrogen peroxide decomposes at constant pressure? A) -23.1 kJ B) -11.5 kJ C) -0.0217 kJ D) 1.44 kJ E) -2.31 × 10<sup>4</sup> kJ (g) ΔH = -196 kJ Calculate the value of q (kJ) in this exothermic reaction when 4.00 g of hydrogen peroxide decomposes at constant pressure?


A) -23.1 kJ
B) -11.5 kJ
C) -0.0217 kJ
D) 1.44 kJ
E) -2.31 × 104 kJ

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