0
Permeability depends on membrane solubility and the presence of specific integral transport proteins.
Other factors such as pressure, concentration, and temperature of the molecules or solutes on either side, as well as the size of the molecules can also affect permeability.
Permeability depends on the size of the molecule, its shape, and whether it is hydrophilic or hydrophobic. Fick's Law can be used to determine how likely a molecule is to pass through the membrane by diffusion:
rate of diffusion = (concentration gradient x permeability of molecule x total surface area) / (molecular weight of molecule x thickness of membrane)
The concentraction grandient, the size of the materials, the size of passages through the membrane, the pressure on the solution on either side and the temperature can all play a role.
The size, charge, hydrophobicity and polarity of the molecule to permeate the membrane.
Add your answer:
Earn +20 pts
What is the permeability of silicon?
900
How does the permeability of soil and rocks affect the flow of groundwater?
Permeability is when water can pass through different types of soil and rocks. Therefore the permeability affects the soil and rocks because if the soil or rock is PERMEABLE then the groundwater can easily flow through it :)
How can man increase porosity and permeability in oil wells?
There is not feasible way to change the overall porosity and permeability in an oil field. However, it is possible in many cases to improve the porosity and permeability within the near wellbore region, where the change in pressure is the greatest. Injecting acid into a well, may slightlyincrease the porosity but sigmificantly improve the permeability, as it creates larger flow paths (also called worm holes) through the formation. Hydraulic fracturing will also stimulate a well, although the formation's permeability and porosity is unchanges. It makes it easier for oil to flow into the well, so its effect in the long run, is the same as if the near well bore region had higher permeability. Low permeability formations often produced by horizontal wells, which is similar to hydraulic fracturing- it is easier for the oil to flow to the well.
Changes in permeability?
Receptor protein is coupled with an ion channel
What is the magnetic permeability values of En8 steel and iron powder?
what is magnetic ppermeability of EN8
What is the ability of a cell membrane to allow material to pass through it called?
permeability
What feature of a membrane describes whether molecules can cross the membrane?
permeabiity
Does silt have high permeability?
Silt has neither high or low permeability. It has moderate permeability. :) !
How does porosity and permeability interact?
The porosity directly correlates with the permeability because the permeability requires a certain level of porosity for a certain measure of it.
Which of the following is a measure of a materials ability to transmit fluids through interconnected pore spaces capacity competence or permeability?
permeability
What is the permeability of No. 8 gravel No. 67 limstone No. 8 limestone No. 57 stone and limestone sand?
The permeability of different types of gravel and limestone can vary depending on their particle size and porosity. In general, larger stone sizes like No. 8 gravel and No. 57 stone have higher permeability compared to smaller sizes like limestone sand. Lime stones may have moderate permeability depending on their gradation and compaction. It is recommended to conduct specific permeability tests in the laboratory to determine the exact values for each material.
Permeability refers to?
Permeability refers to the ability of a material to allow substances to pass through it, such as liquids or gases. It is an important property in various fields, including geology, engineering, and biology. Materials with high permeability allow for easier passage of substances, while those with low permeability restrict the flow.
How freely water moves into and through soil or rock is called?
permeability
Potential sources of error in experiment permeability test falling head method?
1. The permeability results might be localized due to excavation. 2. Lateral permeability not considered which may lead to erroneous estimate of field permeability.
What are facts about permeability?
Permeability refers to the ability of a material to allow fluids or gases to pass through it. It is influenced by factors such as the size of the pores in the material, the composition of the material, and the pressure applied. Permeability is an important property in various fields such as geology, engineering, and biology.
What is permeability for concrete?
Permeability is defined as the property that governs the rate of flow of a fluid into a porous solid.
What factors affect the permeability of lipid bi layers and why?
The factors that affect the permeability of lipid bilayers include the presence of cholesterol, the length and saturation of fatty acid chains, and the temperature of the environment. Cholesterol can decrease permeability by packing the lipids more tightly. Fatty acids with longer, more saturated chains decrease permeability, while shorter, unsaturated chains increase permeability. Higher temperatures can also increase permeability by fluidizing the membrane.
