Calculate the ΔG°_rxn Using the Following Information

question 104

Multiple Choice

Calculate the ΔG°_rxn using the following information. 2 HNO₃(aq) + NO(g) → 3 NO₂(g) + H₂O(l) ΔG°_rxn = ?
ΔH°_f (kJ/mol) -207.0 91.3 33.2 -285.8
S°(J/mol^∙K 146.0 210.8 240.1 70.0

• A) -151 kJ
• B) -85.5 kJ
• C) +50.8 kJ
• D) +222 kJ
• E) -186 kJ

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Definitions:

Lubricating Fluids

Substances applied between surfaces to reduce friction, wear, and heat generation, enhancing the longevity and efficiency of mechanical systems.

Inward Curvature

The bending or curving of a structure towards the inside or center.

Lumbar Portion

The part of the lower back comprising the five lumbar vertebrae, often associated with back pain due to its weight-bearing function.

Lordosis

Abnormal anterior curvature of the lumbar spine.