What are the heats of formation for SO3-2, S2O8-2, and OCl-1?

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SUMMARY

The heats of formation for the sulfite ion (SO3-2), peroxydisulfate ion (S2O8-2), and hypochlorite ion (OCl-1) are essential for understanding their thermodynamic properties. The sulfite ion is typically referenced in conjunction with a positive cation, as enthalpy values are usually provided for the complete ionic compound rather than individual ions. Additionally, the state of the ion, whether in gas form or dissolved in water, significantly affects the heat of formation values.

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  • Chemical thermodynamics
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  • Research the heat of formation for SO3-2 in aqueous solution
  • Investigate the enthalpy of formation for S2O8-2 with its associated cation
  • Examine the thermodynamic properties of OCl-1 in both gas and aqueous states
  • Study the methods for calculating heats of formation for ionic compounds
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I need some heats of formation for a chemistry teacher I'm helping. If anyone could help me out that would be great.
These are the ones I need:
SO3-2
S2O8-2
OCl-1
Thanks again.
 
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wolvie007 said:
I need some heats of formation for a chemistry teacher I'm helping. If anyone could help me out that would be great.
These are the ones I need:
SO3-2
S2O8-2
OCl-1
Thanks again.

I intepret SO3-2 as the sulfite ion, SO_3^{2-}

It is hard to add sulfite ion without adding a positive cation also. Ussually the enthalpy is given of the two combined together, and not just one charged ion by itself. Then there is the question of whether the ion is in gas or dissolved in water.
 

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