# Problem: Calculate ΔH° for each of the following reactions, which occur in the atmosphere.(b) SO3(g) + H2O(l) → H2SO4(aq)

###### FREE Expert Solution

We can use the following equation to solve for ΔH˚rxn:

Note that we need to multiply each ΔH˚f by the stoichiometric coefficient since ΔH˚f is in kJ/mol.

Also, note that ΔH˚f for elements in their standard state is 0.

Reaction: SO3(g) + H2O(l) → H2SO4(aq)

Given:

Element/ Compound                Standard Heat of Formation (kJ/mol)

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###### Problem Details

Calculate ΔH° for each of the following reactions, which occur in the atmosphere.

(b) SO3(g) + H2O(l) → H2SO4(aq)