Determine the Equilibrium Constant for the Following Reaction at 498

question 124

Multiple Choice

Determine the equilibrium constant for the following reaction at 498 K: 2 Hg(g) + O₂(g) → 2HgO(s) Δ_rH° = -304.2 kJ mol^-1; Δ_rS° = -414.2 J K^-1 mol^-1

• A) 1.87 × 10¹⁰
• B) 8.10 × 10³¹
• C) 2.31 × 10^-22
• D) 5.34 × 10^-11
• E) 4.33 × 10²¹

---

Definitions:

Pharynx

A muscular tube that connects the mouth and nasal cavities to the esophagus and larynx, serving both the respiratory and digestive systems.

Esophagus

Portion of the digestive tract between the pharynx and stomach.

Parietal Peritoneum

Layer of peritoneum lining the abdominal walls.

Omental Bursa

A large cavity within the abdomen that is part of the greater omentum and provides a space through which vessels, nerves, and lymphatics pass.