Find ΔH^0_f for OH(g): ΔH^{0}_{diss} Explained

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SUMMARY

The discussion focuses on calculating the standard enthalpy of formation (ΔH^0_f) for hydroxyl radicals (OH(g)) derived from the dissociation of hydrogen peroxide (H2O2). The dissociation reaction is represented as H2O2(g) → 2OH(g), with a given dissociation enthalpy (ΔH^{0}_{diss}) of 213 kJ/mol. Participants clarify that 'diss' refers to dissociation, emphasizing the need to understand this concept to solve for ΔH^0_f.

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  • Understanding of thermodynamics, specifically enthalpy concepts
  • Familiarity with chemical reactions and stoichiometry
  • Knowledge of standard enthalpy of formation (ΔH^0_f)
  • Basic grasp of dissociation reactions
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Dell
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find ΔH^{0}_{f} for OH(g) if

H2O2 (g)--> 2OH(g)

ΔH^{0}_{diss}=213KJ/mol

what is ΔH^{0}_{diss}?? what is 'diss'
 
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Most likely, diss = dissociation.
 
i don't think i have learned dissociation yet, unless it has another name??
so how would i solve this?
 

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