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## Credits

Lady Brabourne College (LBC), Kolkata
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## Van der Waals pair potential Solution

STEP 0: Pre-Calculation Summary
Formula Used
vanderwaals_pair_potential = -Coefficient of particle–particle pair interaction/(Distance between the surfaces^6)
ω(r) = -C/(r^6)
This formula uses 2 Variables
Variables Used
Coefficient of particle–particle pair interaction- Coefficient of particle–particle pair interaction can be determined from the Van der Waals pair potential.
Distance between the surfaces - Distance between the surfaces is the length of the line segment between the 2 surfaces. (Measured in Angstrom)
STEP 1: Convert Input(s) to Base Unit
Coefficient of particle–particle pair interaction: 10 --> No Conversion Required
Distance between the surfaces: 10 Angstrom --> 1E-09 Meter (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
ω(r) = -C/(r^6) --> -10/(1E-09^6)
Evaluating ... ...
ω(r) = -1E+55
STEP 3: Convert Result to Output's Unit
-1E+55 Joule --> No Conversion Required
FINAL ANSWER
-1E+55 Joule <-- Van der Waals pair potential
(Calculation completed in 00.016 seconds)

## < 11 Other formulas that you can solve using the same Inputs

Hamaker coefficient using Van der Waals forces between objects
hamaker_coefficient = (-Van der Waals force*(Radius of Spherical Body 1+Radius of Spherical Body 2)*6*(Distance between the surfaces^2))/(Radius of Spherical Body 1*Radius of Spherical Body 2) Go
Van der Waals force between two spheres
vanderwaals_force = (-Hamaker coefficient*Radius of Spherical Body 1*Radius of Spherical Body 2)/((Radius of Spherical Body 1+Radius of Spherical Body 2)*6*(Distance between the surfaces^2)) Go
Hamaker coefficient using Potential Energy in the limit of close-approach
hamaker_coefficient = (-Potential Energy*(Radius of Spherical Body 1+Radius of Spherical Body 2)*6*Distance between the surfaces)/(Radius of Spherical Body 1*Radius of Spherical Body 2) Go
Potential Energy in the limit of close-approach
potential_energy = (-Hamaker coefficient*Radius of Spherical Body 1*Radius of Spherical Body 2)/((Radius of Spherical Body 1+Radius of Spherical Body 2)*6*Distance between the surfaces) Go
Radius of spherical body 1 using Van der Waals force between two spheres
radius_sphericalbody1 = 1/((-Hamaker coefficient/(Van der Waals force*6*(Distance between the surfaces^2)))-(1/Radius of Spherical Body 2)) Go
Radius of spherical body 2 using Van der Waals force between two spheres
radius_sphericalbody2 = 1/((-Hamaker coefficient/(Van der Waals force*6*(Distance between the surfaces^2)))-(1/Radius of Spherical Body 1)) Go
Radius of spherical body 1 using Potential Energy in the limit of close-approach
radius_sphericalbody1 = 1/((-Hamaker coefficient/(Potential Energy*6*Distance between the surfaces))-(1/Radius of Spherical Body 2)) Go
Radius of spherical body 2 using Potential Energy in the limit of close-approach
radius_sphericalbody2 = 1/((-Hamaker coefficient/(Potential Energy*6*Distance between the surfaces))-(1/Radius of Spherical Body 1)) Go
Center-to-center distance
center_to_center_distance_ = Radius of Spherical Body 1+Radius of Spherical Body 2+Distance between the surfaces Go
Radius of spherical body 1 using Center-to-center distance
radius_sphericalbody1 = Center-to-center distance-Distance between the surfaces-Radius of Spherical Body 2 Go
Radius of spherical body 2 using Center-to-center distance
radius_sphericalbody2 = Center-to-center distance-Distance between the surfaces-Radius of Spherical Body 1 Go

### Van der Waals pair potential Formula

vanderwaals_pair_potential = -Coefficient of particle–particle pair interaction/(Distance between the surfaces^6)
ω(r) = -C/(r^6)

## What are main characteristics of Van der Waals forces?

1) They are weaker than normal covalent and ionic bonds. 2) Van der Waals forces are additive and cannot be saturated. 3) They have no directional characteristic. 4) They are all short-range forces and hence only interactions between the nearest particles need to be considered (instead of all the particles). Van der Waals attraction is greater if the molecules are closer. 5) Van der Waals forces are independent of temperature except for dipole – dipole interactions.

## How to Calculate Van der Waals pair potential?

Van der Waals pair potential calculator uses vanderwaals_pair_potential = -Coefficient of particle–particle pair interaction/(Distance between the surfaces^6) to calculate the Van der Waals pair potential, The Van der Waals pair potential are driven by induced electrical interactions between two or more atoms or molecules that are very close to each other. Van der Waals pair potential and is denoted by ω(r) symbol.

How to calculate Van der Waals pair potential using this online calculator? To use this online calculator for Van der Waals pair potential, enter Coefficient of particle–particle pair interaction (C) and Distance between the surfaces (r) and hit the calculate button. Here is how the Van der Waals pair potential calculation can be explained with given input values -> -1.000E+55 = -10/(1E-09^6).

### FAQ

What is Van der Waals pair potential?
The Van der Waals pair potential are driven by induced electrical interactions between two or more atoms or molecules that are very close to each other and is represented as ω(r) = -C/(r^6) or vanderwaals_pair_potential = -Coefficient of particle–particle pair interaction/(Distance between the surfaces^6). Coefficient of particle–particle pair interaction can be determined from the Van der Waals pair potential and Distance between the surfaces is the length of the line segment between the 2 surfaces.
How to calculate Van der Waals pair potential?
The Van der Waals pair potential are driven by induced electrical interactions between two or more atoms or molecules that are very close to each other is calculated using vanderwaals_pair_potential = -Coefficient of particle–particle pair interaction/(Distance between the surfaces^6). To calculate Van der Waals pair potential, you need Coefficient of particle–particle pair interaction (C) and Distance between the surfaces (r). With our tool, you need to enter the respective value for Coefficient of particle–particle pair interaction and Distance between the surfaces and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well. Let Others Know
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