Question
Asked Sep 11, 2019
12 views

a.) Provide a definition for a "Thin film"

b.) Provide a definition for a "semi-infinite slab."

c.) Describe how the concepts presented for parts "a" and "b" differ.

Compare and contrast the definition for a diffusion coefficient and a mass transfer coefficient.

check_circle

Expert Answer

star
star
star
star
star
1 Rating
Step 1

(a) Thin film is defined as thickness of material or substance which have been deposited on the surface ranging from nanometers to few micrometers.  Thin film deposition can be broadly categorized in physical and chemical deposition.

Application of thin film is on large scale depending on the kind of work such as decorative coatings, optical coatings, protective coatings, electrically operating coatings.

Step 2

(b) Semi infinite slab is body having single plane surface extends to infinity in all directions. Application ...

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Engineering

Chemical Engineering

Heat Transfer

Related Chemical Engineering Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: A continuous distillation column is operating at steady state to purify alcohol from a mixture of wa...

A: Since we are entitled to answer up to 3 sub-parts, we will answer the first 3 as you have not mentio...

question_answer

Q: To evaluate the use of renewable resources, an experiment was carried out with rice hulls. After pyr...

A: Part (a)The schematic diagram of the given process is shown below.Let the basis of the calculation b...

question_answer

Q: The T-x-y and P-x-y diagrams for the binary benzene-toluene system is shown below. a. The bubble po...

A: Part (a)The Antoine equation to be used is written below.Here, Pi* is the vapor pressure of the comp...

question_answer

Q: Chemical and Bio-Process Control 4edSensor Systems:Consider flow sensor that reads 10,000 lb/h when...

A: Zero is the lowest value of the range in the measuring instrument and span is the difference between...

question_answer

Q: 4.2 Consider the following transfer function: Y(s) 3e- U(s) 1Os +1 (a) What is the steady-state gain...

A: Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question...

question_answer

Q: 5.8. Using the extensivity property of the entropy, find the fundamental equation for the intensive ...

A: For entropy ‘S’, the extensive property in its differential form of fundamental equation is:

question_answer

Q: How much heat (in kJ/hr) is released/absorbed (specify which) if 100 mol/hr of liquid n-heptane is c...

A: The combustion reaction of n-heptane is:

question_answer

Q: John Smith, supervisor of the process control group of the Ideal gas Company, has installed a 25 x 4...

A: Since we are entitled to answer up to 3 sub-parts, we’ll answer the first 3 as you have not mentione...

question_answer

Q:

A: Dear student, we provide answers to three parts in a question. So, we are providing answers to first...