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Hydrogen Peroxide Decomposes to Water and Oxygen at Constant Pressure

Question 3

Multiple Choice

Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction: 2H2O2 (l) → 2H2O (l) + O2 (g) △H = -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
B) -11.5
C) -0.0217
D) 1.44
E) -2.31 × 104

Correct Answer:

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