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Surface Tension given Molecular Weight Calculator

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✖Critical Temperature is the highest temperature at which the substance can exist as a liquid. At this phase boundaries vanish, and the substance can exist both as a liquid and vapor.ⓘ Critical Temperature [Tc]
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✖Temperature is the degree or intensity of heat present in a substance or object.ⓘ Temperature [T]
+10%
-10%
✖Molecular Weight is the mass of a given molecule.ⓘ Molecular Weight [MW]
+10%
-10%
✖Density of Liquid is mass of a unit volume of a material substance.ⓘ Density of Liquid [ρliq]
+10%
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✖Surface Tension of Fluid is the energy or work required to increase the surface area of a fluid due to intermolecular forces.ⓘ Surface Tension given Molecular Weight [γ]
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Surface Tension given Molecular Weight

Formula
`"γ" = "[EOTVOS_C]"*("T"_{"c"}-"T"-6)/("MW"/"ρ"_{"liq"})^(2/3)`

Example
`"50.39563mN/m"="[EOTVOS_C]"*("190.55K"-"45K"-6)/("16g"/"1141kg/m³")^(2/3)`

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Surface Tension given Molecular Weight Solution

STEP 0: Pre-Calculation Summary
Formula Used
Surface Tension of Fluid = [EOTVOS_C]*(Critical Temperature-Temperature-6)/(Molecular Weight/Density of Liquid)^(2/3)
γ = [EOTVOS_C]*(Tc-T-6)/(MW/ρliq)^(2/3)
This formula uses 1 Constants, 5 Variables
Constants Used
[EOTVOS_C] - Eotvos constant Value Taken As 0.00000021
Variables Used
Surface Tension of Fluid - (Measured in Newton per Meter) - Surface Tension of Fluid is the energy or work required to increase the surface area of a fluid due to intermolecular forces.
Critical Temperature - (Measured in Kelvin) - Critical Temperature is the highest temperature at which the substance can exist as a liquid. At this phase boundaries vanish, and the substance can exist both as a liquid and vapor.
Temperature - (Measured in Kelvin) - Temperature is the degree or intensity of heat present in a substance or object.
Molecular Weight - (Measured in Kilogram) - Molecular Weight is the mass of a given molecule.
Density of Liquid - (Measured in Kilogram per Cubic Meter) - Density of Liquid is mass of a unit volume of a material substance.
STEP 1: Convert Input(s) to Base Unit
Critical Temperature: 190.55 Kelvin --> 190.55 Kelvin No Conversion Required
Temperature: 45 Kelvin --> 45 Kelvin No Conversion Required
Molecular Weight: 16 Gram --> 0.016 Kilogram (Check conversion here)
Density of Liquid: 1141 Kilogram per Cubic Meter --> 1141 Kilogram per Cubic Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
γ = [EOTVOS_C]*(Tc-T-6)/(MW/ρliq)^(2/3) --> [EOTVOS_C]*(190.55-45-6)/(0.016/1141)^(2/3)
Evaluating ... ...
γ = 0.0503956336370314
STEP 3: Convert Result to Output's Unit
0.0503956336370314 Newton per Meter -->50.3956336370314 Millinewton per Meter (Check conversion here)
FINAL ANSWER
50.3956336370314 ≈ 50.39563 Millinewton per Meter <-- Surface Tension of Fluid
(Calculation completed in 00.008 seconds)
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Created by Pratibha
Amity Institute Of Applied Sciences (AIAS, Amity University), Noida, India
Pratibha has created this Calculator and 100+ more calculators!
Verified by Prerana Bakli
University of Hawaiʻi at Mānoa (UH Manoa), Hawaii, USA
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20 Surface Tension Calculators

Surface Tension given Contact Angle
Go Surface Tension of Fluid = (2*Radius of Curvature*Density of Fluid*[g]*Height of Capillary Rise/Fall)*(1/cos(Contact Angle))
Surface Tension of Sea Water
Go Surface Tension of Sea Water = Surface Tension of Pure Water*(1+(3.766*10^(-4)*Reference Salinity)+(2.347*10^(-6)*Reference Salinity*Temperature in Degree Celsius))
Surface Tension Given Maximum Volume
Go Surface Tension = (Volume*Change in Density*[g]*Correction Factor)/(2*pi*Capillary Radius)
Surface Tension given Molecular Weight
Go Surface Tension of Fluid = [EOTVOS_C]*(Critical Temperature-Temperature-6)/(Molecular Weight/Density of Liquid)^(2/3)
Surface Tension of Pure Water
Go Surface Tension of Pure Water = 235.8*(1-(Temperature/Critical Temperature))^(1.256)*(1-(0.625*(1-(Temperature/Critical Temperature))))
Surface Tension given Critical Temperature
Go Surface Tension of Fluid given Critical Temp = Constant for each Liquid*(1-(Temperature/Critical Temperature))^(Empirical Factor)
Surface Tension given Correction Factor
Go Surface Tension of Fluid = (Drop Weight*[g])/(2*pi*Capillary Radius*Correction Factor)
Surface Tension given Molar Volume
Go Surface Tension of Fluid given Molar Volume = [EOTVOS_C]*(Critical Temperature-Temperature)/(Molar Volume)^(2/3)
Height of Magnitude of Capillary Rise
Go Height of Capillary Rise/Fall = Surface Tension of Fluid/((1/2)*(Radius of Tubing*Density of Fluid*[g]))
Surface Tension Force given Density of Fluid
Go Surface Tension of Fluid = (1/2)*(Radius of Tubing*Density of Fluid*[g]*Height of Capillary Rise/Fall)
Surface Tension Given Density of Vapor
Go Surface Tension of Fluid = Characteristic Constant*(Density of Liquid-Density of Vapor)^4
Surface Tension given Temperature
Go Surface Tension of Fluid given Temperature = 75.69-(0.1413*Temperature)-(0.0002985*(Temperature)^2)
Surface Tension Given Force
Go Surface Tension of Fluid = Force/(4*pi*Radius of Ring)
Work of Cohesion given Surface Tension
Go Work of Cohesion = 2*Surface Tension of Fluid*[Avaga-no]^(1/3)*(Molar Volume)^(2/3)
Solubility Parameter Given Surface Tension
Go Solubility Parameter = 4.1*(Surface Tension of Fluid/(Molar Volume)^(1/3))^(0.43)
Surface Tension for very Thin Plate using Wilhelmy-Plate Method
Go Surface Tension of Fluid = Force on very Thin Plate/(2*Weight of Plate)
Surface Tension Given Gibbs Free Energy
Go Surface Tension of Fluid = Gibbs Free Energy/Area of Surface
Gibbs Free Energy Given Surface Area
Go Gibbs Free Energy = Surface Tension of Fluid*Area of Surface
Surface Tension of Methane+Hexane System
Go Surface Tension of Methane+Hexane System = 0.64+(17.85*Concentration of Hexane)
Surface Tension of Liquid Methane
Go Surface Tension of Liquid Methane = 40.52*(1-(Temperature/190.55))^1.287

17 Important Formulas on Surface Tension Calculators

Force given Surface Tension using Wilhelmy-Plate Method
Go Force = (Density of Plate*[g]*(Length of Plate*Width of Full Size Bearing Plate*Thickness of Plate))+(2*Surface Tension of Fluid*(Thickness of Plate+Width of Full Size Bearing Plate)*(cos(Contact Angle)))-(Density of Fluid*[g]*Thickness of Plate*Width of Full Size Bearing Plate*Depth of Plate)
Surface Tension given Contact Angle
Go Surface Tension of Fluid = (2*Radius of Curvature*Density of Fluid*[g]*Height of Capillary Rise/Fall)*(1/cos(Contact Angle))
Surface Tension given Molecular Weight
Go Surface Tension of Fluid = [EOTVOS_C]*(Critical Temperature-Temperature-6)/(Molecular Weight/Density of Liquid)^(2/3)
Surface Tension of Pure Water
Go Surface Tension of Pure Water = 235.8*(1-(Temperature/Critical Temperature))^(1.256)*(1-(0.625*(1-(Temperature/Critical Temperature))))
Surface Tension given Critical Temperature
Go Surface Tension of Fluid given Critical Temp = Constant for each Liquid*(1-(Temperature/Critical Temperature))^(Empirical Factor)
Surface Tension given Correction Factor
Go Surface Tension of Fluid = (Drop Weight*[g])/(2*pi*Capillary Radius*Correction Factor)
Surface Tension given Molar Volume
Go Surface Tension of Fluid given Molar Volume = [EOTVOS_C]*(Critical Temperature-Temperature)/(Molar Volume)^(2/3)
Height of Magnitude of Capillary Rise
Go Height of Capillary Rise/Fall = Surface Tension of Fluid/((1/2)*(Radius of Tubing*Density of Fluid*[g]))
Surface Tension Force given Density of Fluid
Go Surface Tension of Fluid = (1/2)*(Radius of Tubing*Density of Fluid*[g]*Height of Capillary Rise/Fall)
Total Weight of Plate using Wilhelmy-Plate Method
Go Total Weight of Solid Surface = Weight of Plate+Surface Tension of Fluid*(Perimeter)-Upward Drift
Total Weight of Ring using Ring-Detachment Method
Go Total Weight of Solid Surface = Weight of Ring+(4*pi*Radius of Ring*Surface Tension of Fluid)
Parachor given Surface Tension
Go Parachor = (Molar Mass/(Density of Liquid-Density of Vapor))*(Surface Tension of Fluid)^(1/4)
Surface Pressure using Wilhelmy-Plate Method
Go Surface Pressure of Thin Film = -(Change in Force/(2* (Thickness of Plate+Weight of Plate)))
Surface Tension given Temperature
Go Surface Tension of Fluid given Temperature = 75.69-(0.1413*Temperature)-(0.0002985*(Temperature)^2)
Surface Pressure
Go Surface Pressure of Thin Film = Surface Tension of Clean Water Surface-Surface Tension of Fluid
Work of Cohesion given Surface Tension
Go Work of Cohesion = 2*Surface Tension of Fluid*[Avaga-no]^(1/3)*(Molar Volume)^(2/3)
Surface Tension for very Thin Plate using Wilhelmy-Plate Method
Go Surface Tension of Fluid = Force on very Thin Plate/(2*Weight of Plate)

Surface Tension given Molecular Weight Formula

Surface Tension of Fluid = [EOTVOS_C]*(Critical Temperature-Temperature-6)/(Molecular Weight/Density of Liquid)^(2/3)
γ = [EOTVOS_C]*(Tc-T-6)/(MW/ρliq)^(2/3)

What is Eötvös Rule?

The Eötvös rule, named after the Hungarian physicist Loránd (Roland) Eötvös (1848–1919) enables the prediction of the surface tension of an arbitrary liquid pure substance at all temperatures. The density, molar mass, and the critical temperature of the liquid have to be known. At the critical point the surface tension is zero.

How to Calculate Surface Tension given Molecular Weight?

Surface Tension given Molecular Weight calculator uses Surface Tension of Fluid = [EOTVOS_C]*(Critical Temperature-Temperature-6)/(Molecular Weight/Density of Liquid)^(2/3) to calculate the Surface Tension of Fluid, The Surface Tension given Molecular Weight formula is defined as an empirical equation to relate surface tension of a liquid and molecular weight of liquid where the temperature offset of 6 K provides the formula with a better fit to reality at lower temperatures. Surface Tension of Fluid is denoted by γ symbol.

How to calculate Surface Tension given Molecular Weight using this online calculator? To use this online calculator for Surface Tension given Molecular Weight, enter Critical Temperature (Tc), Temperature (T), Molecular Weight (MW) & Density of Liquid (ρliq) and hit the calculate button. Here is how the Surface Tension given Molecular Weight calculation can be explained with given input values -> 1162.99 = [EOTVOS_C]*(190.55-45-6)/(0.016/1141)^(2/3).

FAQ

What is Surface Tension given Molecular Weight?
The Surface Tension given Molecular Weight formula is defined as an empirical equation to relate surface tension of a liquid and molecular weight of liquid where the temperature offset of 6 K provides the formula with a better fit to reality at lower temperatures and is represented as γ = [EOTVOS_C]*(Tc-T-6)/(MW/ρliq)^(2/3) or Surface Tension of Fluid = [EOTVOS_C]*(Critical Temperature-Temperature-6)/(Molecular Weight/Density of Liquid)^(2/3). Critical Temperature is the highest temperature at which the substance can exist as a liquid. At this phase boundaries vanish, and the substance can exist both as a liquid and vapor, Temperature is the degree or intensity of heat present in a substance or object, Molecular Weight is the mass of a given molecule & Density of Liquid is mass of a unit volume of a material substance.
How to calculate Surface Tension given Molecular Weight?
The Surface Tension given Molecular Weight formula is defined as an empirical equation to relate surface tension of a liquid and molecular weight of liquid where the temperature offset of 6 K provides the formula with a better fit to reality at lower temperatures is calculated using Surface Tension of Fluid = [EOTVOS_C]*(Critical Temperature-Temperature-6)/(Molecular Weight/Density of Liquid)^(2/3). To calculate Surface Tension given Molecular Weight, you need Critical Temperature (Tc), Temperature (T), Molecular Weight (MW) & Density of Liquid (ρliq). With our tool, you need to enter the respective value for Critical Temperature, Temperature, Molecular Weight & Density of Liquid 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 Tension of Fluid?
In this formula, Surface Tension of Fluid uses Critical Temperature, Temperature, Molecular Weight & Density of Liquid. We can use 11 other way(s) to calculate the same, which is/are as follows -
  • Surface Tension of Fluid = Gibbs Free Energy/Area of Surface
  • Surface Tension of Fluid = (1/2)*(Radius of Tubing*Density of Fluid*[g]*Height of Capillary Rise/Fall)
  • Surface Tension of Fluid = Force/(4*pi*Radius of Ring)
  • Surface Tension of Fluid = Characteristic Constant*(Density of Liquid-Density of Vapor)^4
  • Surface Tension of Fluid = (2*Radius of Curvature*Density of Fluid*[g]*Height of Capillary Rise/Fall)*(1/cos(Contact Angle))
  • Surface Tension of Fluid = (Drop Weight*[g])/(2*pi*Capillary Radius*Correction Factor)
  • Surface Tension of Fluid = Force on very Thin Plate/(2*Weight of Plate)
  • Surface Tension of Fluid = Force on very Thin Plate/(2*Weight of Plate)
  • Surface Tension of Fluid = (1/2)*(Radius of Tubing*Density of Fluid*[g]*Height of Capillary Rise/Fall)
  • Surface Tension of Fluid = (2*Radius of Curvature*Density of Fluid*[g]*Height of Capillary Rise/Fall)*(1/cos(Contact Angle))
  • Surface Tension of Fluid = (Drop Weight*[g])/(2*pi*Capillary Radius*Correction Factor)
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