What is an example for steady state diffusion among the following?

Explanation: When a gas at constant pressure pervades through a thin walled metal foil, steady state diffusion occurs. Hydrogen is purified by making it pass through a palladium cap after going through steady state diffusion. 3.

What is steady state diffusion?

Steady state diffusion is characterized by a constant concentration gradient. It is obtained by imposing a limited solubility on the compound of interest and offers the possibility of an appreciable reduction of the emission(‐rate) from a waste body.

What is diffusion explain with an example?

diffusion, process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration. A familiar example is the perfume of a flower that quickly permeates the still air of a room.

What is spatial diffusion example?

Recall that expansion diffusion is defined as that group of spreading phenomenon that has a source and diffuses outwards from the source. The spread of a fire, or pollution being emitted from a point source are examples of this type of spatial diffusion.

Which of the following is used to non steady state diffusion?

Which of the following law is used to non-steady state diffusion? Explanation: Fick’s second law is used to obtain the diffusion coefficient.

What is the driving force for a steady state diffusion?

The diffusion of atoms in solid state phase is mainly driven/defined by/through chemical potential and concentration as well. Chemical potential will be driving force for diffusion.

What is steady state and non-steady state diffusion?

Steady State Diffusion: Steady state diffusion is a form of diffusion that takes place at a constant rate. Unsteady State Diffusion: Unsteady state diffusion or non-steady state diffusion is a form of diffusion in which the rate of diffusion is a function of time.

What is meant by steady state?

Definition of steady state : a state or condition of a system or process (such as one of the energy states of an atom) that does not change in time broadly : a condition that changes only negligibly over a specified time.

What is a real life example of diffusion?

A drop of food coloring diffuses throughout the water in a glass so that, eventually, the entire glass will be colored. When steeping a cup of tea, molecules from the tea cross from the tea bag and diffuse throughout the cup of water.

What type of diffusion is the internet?

Contagious Diffusion This is analogous to a virus which spreads though contact between people. An example of contagious diffusion is when videos go viral on the internet.

What is spatial diffusion in human geography?

Diffusion, in the scope of geography, is the spread of people, things, ideas, cultural practices, disease, technology, weather, and. more from place to place; thus, it’s called spatial diffusion (spreads across space).

What is non-steady diffusion?

Unsteady state diffusion or non-steady state diffusion is a form of diffusion in which the rate of diffusion is a function of time. This means the rate of diffusion is time-dependent. Therefore, the rate of the concentration with distance (dc/dx) is not a constant and the change of concentration with time is not zero.

Which of the following is not true for steady state diffusion?

3. Which of the following is not true for steady-state diffusion? Explanation: Although, the concentration at each point in the diffusion medium remains constant, yet the diffusing species is being transferred from a source end to sink end.

Which of the following law is used to non-steady state diffusion?

Fick’s second law
Which of the following law is used to non-steady state diffusion? Explanation: Fick’s second law is used to obtain the diffusion coefficient.

What are the examples of unsteady flow?

Examples of unsteady-flow analysis are easily found, only a few are mentioned here.

• Passage of a Flood Wave.
• Operation of Irrigation and Power Canals.
• Tidal Effects.
• Junctions.
• Measures to Control Floods.

What happens in a steady state?

In chemistry, a steady state is a situation in which all state variables are constant in spite of ongoing processes that strive to change them. For an entire system to be at steady state, i.e. for all state variables of a system to be constant, there must be a flow through the system (compare mass balance).

What is steady state equilibrium geography?

(1) Steady state equilibrium is an average condition of a system where the trajectory remains unchanged in time.