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September 23, 2014

Homework Help: chemistry

Posted by Ninaya on Sunday, October 2, 2011 at 2:51am.

If the standard state of sufur is S8 (s), which of the following equations represents the standard enthalpy of formation of H2SO4 (ℓ) ?†

A. 2H (g) + S (g) + 4 O (g)  H2SO4 (ℓ)
B. H2 (g) + S8 (g) + 2 O2 (g)  H2SO4(ℓ)
C. H2SO4 (ℓ)  H2 (g) + 1/8 S8 (s) + 2 O2 (g)
D. H2SO4 (ℓ)  2 H (g) + S (s) + 4 O (g)
E. H2 (g) + 1/8 S8 (s ) + 2 O2 (g)  H2SO4(ℓ)

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