The SI Unit for the Diffusion Coefficient Is M²/s,but Older $\times$

question 2

Multiple Choice

The SI unit for the diffusion coefficient is m²/s,but older texts sometimes report diffusion coefficients in units of in²/min.What is the value of a diffusion coefficient of 93.0 in²/min expressed in SI units? (2.54 cm = 1 in exactly)

• A) 3.94 \(\times\) 10^-2 m²/s
• B) 1.42 \(\times\) 10⁶ m²/s
• C) 61.0 m²/s
• D) 2.40 \(\times\) 10³ m²/s
• E) 10.00 \(\times\) 10^-4 m²/s

---

Definitions:

Arousal

A physiological and psychological state of being awake or reactive to stimuli, often involving physiological changes such as increased heart rate and blood pressure.

Complexity

Refers to the state or quality of being intricate or complicated, often used to describe systems, problems, or situations that have multiple interconnected components.

Mindfulness Meditation

A form of meditation focusing on being intensely aware of what you're sensing and feeling in the moment, without interpretation or judgment, using techniques such as breathing.

Progressive Meditation

A meditation technique that involves gradually deepening levels of relaxation or mindfulness, often aiming for an incremental enhancement of mental clarity and emotional calmness.