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The Value of ΔH° for the Decomposition of Gaseous Sulfur

Question 14

Multiple Choice

The value of ΔH° for the decomposition of gaseous sulfur trioxide to its component elements,
2SO₃ (g) → 2S (s,rhombic) + 3O₂ (g)
Is ________ kJ/mol.

A) +790.4
B) -790.4
C) +395.2
D) -395.2
E) +105.1

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