The Equilibrium Constant K for the Dissociation of N₂O₄(g)to NO₂(g)is $\Delta$

question 6

Multiple Choice

The equilibrium constant K for the dissociation of N₂O₄(g) to NO₂(g) is 1700 at 500 K.Predict its value at 300 K.For this reaction, $\Delta$ H ^$\circ$ is 56.8 kJ.mol^-1.

• A)1.32 * 10^-6
• B)1.11 * 10^-4
• C)15.5
• D)0.188
• E)1.54 * 10⁷

---

Definitions:

Endocrine System

A network of glands in the body that produce and release hormones directly into the blood, controlling various bodily functions.

Circulatory System

The body system responsible for the transport of blood, nutrients, oxygen, carbon dioxide, and hormones throughout the body, comprising the heart and blood vessels.

Bioaccumulation

The process by which certain substances, such as pesticides or heavy metals, increase in concentration in the bodies of organisms over time, often leading to toxicity.

Hormone Disrupter

Chemicals that interfere with the endocrine system, potentially causing developmental, reproductive, neurological, and immune disorders in both humans and wildlife.