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

question 36

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 21.3 in²/min expressed in SI units? (2.54 cm = 1 in exactly)

• A) 9.02 × 10^-3 m²/s
• B) 3.25 × 10⁵ m²/s
• C) 14.0 m²/s
• D) 5.50 × 10² m²/s
• E) 2.29 × 10^-4 m²/s

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