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The standard enthalpies of formation of ...

The standard enthalpies of formation of `SO_(2)(g)` and `SO_(3)(g)` are - 296.6 kJ and -395.6 kJ respectively.Calculate `DeltaH^(@)` for the reaction:
`SO_(2)(g) + 1/2O_(2)(g) to SO_(3)(g)`.

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To calculate the standard enthalpy change (ΔH°) for the reaction: \[ \text{SO}_2(g) + \frac{1}{2}\text{O}_2(g) \rightarrow \text{SO}_3(g) \] we will use the standard enthalpies of formation of SO₂ and SO₃ provided in the question. ### Step 1: Write the formation reactions The standard enthalpy of formation (ΔH°f) for a compound is the change in enthalpy when one mole of the compound is formed from its elements in their standard states. ...
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