Use Hess's Law to Calculate ΔG°_rxn Using the Following Information

question 100

Multiple Choice

Use Hess's law to calculate ΔG°_rxn using the following information. ClO(g) + O₃(g) → Cl(g) + 2 O₂(g) ΔG°_rxn = ?
2 O₃(g) → 3 O₂(g) ΔG°_rxn = +489.6 kJ
Cl(g) + O₃(g) → ClO(g) + O₂(g) ΔG°_rxn = -34.5 kJ

• A) -472.4 kJ
• B) +210.3 kJ
• C) -524.1 kJ
• D) -262.1 kJ
• E) +524.1 kJ

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Definitions:

Lichen

A symbiotic organism comprised of a fungus and an alga or cyanobacterium, living together on rocks and trees.

Batrachochytrium Dendrobatidis

A pathogenic fungus causing chytridiomycosis, which has been linked to dramatic declines in amphibian populations worldwide.

Chytrid

A type of fungus belonging to the phylum Chytridiomycota, notable for being parasitic or pathogenic in some aquatic species.

Parasite

A living entity that resides within or on a host organism, deriving its nourishment to the detriment of the host.