The Second-Order Reaction A $\rightarrow$ B Is Found to Have a Rate Constant of 0

question 157

Multiple Choice

The second-order reaction A $\rightarrow$ B is found to have a rate constant of 0.978 M^-1s^-1. What is the half-life of this reaction when [A]₀ = 0.0300 M?

• A) 0.0293 s
• B) 0.710 s
• C) 34.1 s
• D) 60.1 s
• E) 24.3 s

---

Definitions:

Lumbar

Relating to the lower part of the back or the lower spine between the thoracic spine and the sacral region.

Iliac

Pertaining to the ilium, the largest bone of the pelvis.

Hypogastric

Relating to the lower middle region of the abdomen, beneath the umbilical region.

Epithelial

Pertaining to the epithelium, a layer of cells covering the body surfaces, lining cavities and organs, and forming glands.