Share
Explore BrainMass

Hess law/oxidation

See attached and directions.

Attachments

Solution Preview

For the Hess' Law calculation:

Eqs #1 to 3 are enthalpies of formation. The enthalpy of any reaction is given by:
DH = DHf (products) - DHf (reactants). Remember to halve the DH value for SO3, because the one given is for formation of 2 moles of SO3.

I get an answer of between -400 and ...

Solution Summary

The answers are given with short explanations.

$2.19