The Second-Order Decomposition of NO₂ Has a Rate Constant of 0.255

question 60

Multiple Choice

The second-order decomposition of NO₂ has a rate constant of 0.255 M^-1s^-1.How much NO₂ decomposes in 4.00 s if the initial concentration of NO₂ (1.00 L volume) is 1.33 M?

• A) 1.8 mol
• B) 0.85 mol
• C) 0.48 mol
• D) 0.77 mol
• E) 0.56 mol

---

Definitions:

Sympathetic Division

Part of the ANS that is responsible for reacting to stressful events and bodily arousal; “fight-or-flight system.”

Nervous System

The complex network of nerves and cells that transmit signals between different parts of the body to coordinate actions and sensory information.

Display Rules

Learned ways of controlling displays of emotion in social settings.

Culture

The shared customs, arts, social institutions, achievements, beliefs, and behavioral patterns of a particular nation, people, or other social group, shaping individual identity and social life.