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Entropy

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Spontaneous Reaction	10 mins	0 completed	Learn
First Law of Thermodynamics	6 mins	0 completed	Learn Summary
Entropy	58 mins	0 completed	Learn Summary
Gibbs Free Energy	30 mins	0 completed	Learn

Additional Practice
Second and Third Laws of Thermodynamics
Boltzmann Equation

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Next SectionGibbs Free Energy

Solution: Calculate the standard entropy change for the following reaction, 2SO2 (g) + O2 (g) → 2SO3 (g) given S° [SO2 (g)] = 248.2 J/K • mol. S° [O2 (g)] = 205. 1 J/K • mol, and S° [SO3 (g)] = 256.8 J/K • mol. (a) -196.5 J/K • mol-rxn (b) -94.0 J/K • mol-rxn (c) -187.9 J/K • mol-rxn (d) +187.9 J/K • mol-rxn (e) +196.5 J/K • mol-rxn

Problem

Calculate the standard entropy change for the following reaction,

2SO₂ (g) + O₂ (g) → 2SO₃ (g)

given S° [SO₂ (g)] = 248.2 J/K • mol. S° [O₂ (g)] = 205. 1 J/K • mol, and S° [SO₃ (g)] = 256.8 J/K • mol.

(a) -196.5 J/K • mol-rxn

(b) -94.0 J/K • mol-rxn

(d) +187.9 J/K • mol-rxn

(e) +196.5 J/K • mol-rxn

Solution

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Entropy

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Solution

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