Hydrogen peroxide, H2O2, is a colorless liquid whose solutions are used as a bleach and an antiseptic. H,02 can be prepared in a process whose overall chan H2 (9) + O2(9) H2O2(1) Calculate the enthalpy change using the following data: 2H2O2 (1) 2H2O(1)+ O2(9); AH=-196.0 kJ H2 (9) +O2(9) H;0(!); AH = -285.8 kJ AH kJ

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Hydrogen peroxide, H2O2, is a colorless liquid whose solutions are used as a bleach and an antiseptic. H2O2 can be prepared in a process whose overall change is
H2 (9) +O2 (9) → H2O2 (1)
Calculate the enthalpy change using the following data:
2H2O2 (1) → 2H2O(1) +O2 (g); AH=-196.0 kJ
H2 (g) + O2(g)→ H20(1); AH -285.8 kJ
AH
kJ
%3D
Transcribed Image Text:Hydrogen peroxide, H2O2, is a colorless liquid whose solutions are used as a bleach and an antiseptic. H2O2 can be prepared in a process whose overall change is H2 (9) +O2 (9) → H2O2 (1) Calculate the enthalpy change using the following data: 2H2O2 (1) → 2H2O(1) +O2 (g); AH=-196.0 kJ H2 (g) + O2(g)→ H20(1); AH -285.8 kJ AH kJ %3D
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