The Diffusion Constant for Water in Air Is 2

question 70

Multiple Choice

The diffusion constant for water in air is 2.4 × 10⁻⁵ m²/s. How long would it take a water molecule to diffuse a distance of 10.0 meters?

• A) 400 hours
• B) 450 hours
• C) 500 hours
• D) 580 hours
• E) 600 hours

---

Definitions:

Endocrine Cells

Cells that release hormones directly into the bloodstream to regulate body functions.

Small Intestine

A part of the digestive system where most of the digestion and absorption of nutrients and minerals from food takes place.

Chymotrypsinogen

Chymotrypsinogen is an inactive precursor (zymogen) of the digestive enzyme chymotrypsin, which is produced by the pancreas.

Trypsin

An enzyme produced in the pancreas and secreted into the small intestine, where it plays a crucial role in the digestive process by breaking down proteins into amino acids.