Diffusion co-efficient in molecular diffusion is estimated by _________a)Daltons lawb)Diffusion lawc)Ficks lawd)None of the mentionedCorrect answer is option 'C'. Can you explain this answer?

Question

Answer

C<div><br /></div>

Answer

Explanation:

Fick's Law:
- Fick's law of diffusion states that the rate of diffusion of a substance is directly proportional to the concentration gradient of that substance.
- It is expressed as J = -D(dC/dx), where J is the diffusion flux, D is the diffusion coefficient, C is the concentration, and x is the distance.

Estimating Diffusion Coefficient:
- The diffusion coefficient, D, is a measure of how easily a substance diffuses through a medium.
- In molecular diffusion, the diffusion coefficient is estimated using Fick's law of diffusion.
- By measuring the concentration gradient of a substance over a distance, and knowing the diffusion flux, the diffusion coefficient can be calculated using the equation D = -J/(dC/dx).

Importance of Diffusion Coefficient:
- The diffusion coefficient is a crucial parameter in understanding the transport of molecules in various processes.
- It helps in predicting the rate at which a substance will diffuse through a medium, which is essential in fields like chemical engineering, biology, and environmental science.

Therefore, in molecular diffusion, the estimation of the diffusion coefficient is done using Fick's law of diffusion, which relates the diffusion flux, concentration gradient, and diffusion coefficient.

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