Credits

Amity Institute Of Applied Sciences (AIAS, Amity University), Noida, India
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National Institute of Technology, Meghalaya (NIT), Meghalaya
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Surface Pressure Solution

STEP 0: Pre-Calculation Summary
Formula Used
surface_pressure_of_thin_film = Surface Tension of Clean Water Surface-Surface Tension of Fluid
Π = γo-γ
This formula uses 2 Variables
Variables Used
Surface Tension of Clean Water Surface - Surface Tension of Clean Water Surface is the energy, or work, required to increase the surface area of a clean water surface due to intermolecular forces. (Measured in Millinewton per Meter)
Surface Tension of Fluid - Surface Tension of Fluid is the energy, or work, required to increase the surface area of a fluid due to intermolecular forces. (Measured in Newton per Meter)
STEP 1: Convert Input(s) to Base Unit
Surface Tension of Clean Water Surface: 72 Millinewton per Meter --> 0.072 Newton per Meter (Check conversion here)
Surface Tension of Fluid: 72 Newton per Meter --> 72 Newton per Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Π = γo-γ --> 0.072-72
Evaluating ... ...
Π = -71.928
STEP 3: Convert Result to Output's Unit
-71.928 Pascal --> No Conversion Required
-71.928 Pascal <-- Surface Pressure of Thin Film
(Calculation completed in 00.000 seconds)

< 9 Colloidal Structures in Surfactant Solutions Calculators

Van Der Waals Interaction Energy
vanderwaals_interaction_energy = -(Hamaker coefficient)/(12*pi*(Surface Separation)^2) Go
Optimal head group Area given Critical Packing Parameter
optimal_area = Surfactant Tail Volume/(Critical Packing Parameter*Tail Length) Go
Specific Surface Area for array of n Cylindrical Particles
Mass of aggregate enclosed within distance r
mass_of_aggregate = (4/3)*(Density*pi* (Radius of Curvature)^3) Go
Surface Pressure
surface_pressure_of_thin_film = Surface Tension of Clean Water Surface-Surface Tension of Fluid Go
Laplace Pressure
laplace_pressure = Pressure inside of Curved Surface-Pressure outside of Curved Surface Go
Specific Surface Area for Thin Rod
Specific Surface Area
specific_surface_area = 3/(Density*Radius of Sphere) Go
Specific Surface Area for Flat Disk
specific_surface_area = (2/Density)*(1/Length) Go

Surface Pressure Formula

surface_pressure_of_thin_film = Surface Tension of Clean Water Surface-Surface Tension of Fluid
Π = γo-γ

What is surface pressure in relation to Langmuir monolayer?

If the available surface area of the monolayer is reduced by a barrier system, the molecules start to exert a repulsive force on each other. This two-dimensional analog of pressure is called surface pressure, π, and is given by the relationship. π = γ0 – γ

How to Calculate Surface Pressure?

Surface Pressure calculator uses surface_pressure_of_thin_film = Surface Tension of Clean Water Surface-Surface Tension of Fluid to calculate the Surface Pressure of Thin Film, The Surface Pressure formula is defined as the difference in surface tension between a clean air-water surface and solution. Surface Pressure of Thin Film is denoted by Π symbol.

How to calculate Surface Pressure using this online calculator? To use this online calculator for Surface Pressure, enter Surface Tension of Clean Water Surface o) & Surface Tension of Fluid (γ) and hit the calculate button. Here is how the Surface Pressure calculation can be explained with given input values -> 0 = 0.072-0.072.

FAQ

What is Surface Pressure?
The Surface Pressure formula is defined as the difference in surface tension between a clean air-water surface and solution and is represented as Π = γo-γ or surface_pressure_of_thin_film = Surface Tension of Clean Water Surface-Surface Tension of Fluid. Surface Tension of Clean Water Surface is the energy, or work, required to increase the surface area of a clean water surface due to intermolecular forces & Surface Tension of Fluid is the energy, or work, required to increase the surface area of a fluid due to intermolecular forces.
How to calculate Surface Pressure?
The Surface Pressure formula is defined as the difference in surface tension between a clean air-water surface and solution is calculated using surface_pressure_of_thin_film = Surface Tension of Clean Water Surface-Surface Tension of Fluid. To calculate Surface Pressure, you need Surface Tension of Clean Water Surface o) & Surface Tension of Fluid (γ). With our tool, you need to enter the respective value for Surface Tension of Clean Water Surface & Surface Tension of Fluid and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Surface Pressure of Thin Film?
In this formula, Surface Pressure of Thin Film uses Surface Tension of Clean Water Surface & Surface Tension of Fluid. We can use 9 other way(s) to calculate the same, which is/are as follows -
• optimal_area = Surfactant Tail Volume/(Critical Packing Parameter*Tail Length)
• specific_surface_area = 3/(Density*Radius of Sphere)
• vanderwaals_interaction_energy = -(Hamaker coefficient)/(12*pi*(Surface Separation)^2)
• mass_of_aggregate = (4/3)*(Density*pi* (Radius of Curvature)^3)
• laplace_pressure = Pressure inside of Curved Surface-Pressure outside of Curved Surface 