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March 28, 2015

Homework Help: Chemistry help

Posted by Emily on Wednesday, April 2, 2014 at 11:58pm.

Sulfur trioxide is formed by the catalytic oxidation of sulfur dioxide:
2SO2(g)+O2(g)→2SO3(g)
If ΔH∘= -197.8kJ/mol and ΔS∘= -188.0J/K , what is ΔStotal for this reaction?
Is the reaction spontaneous under standard-state conditions at 25 ∘C?

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