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Chemical

The frequency of the relaxation based on the Arrhenius equation

Calculator based on the given temperature, the frequency of vibration and thermal activation energy calculated częsość relaxation.                    


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Calculator enthalpy

Enthalpy calculator is used to calculate the heat transfer during the process kwazistatycznego occurring in a closed thermodynamic system under constant pressure (isobaric process).      
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Dilution of solutions

Legend of given volume and calculates the concentrations of the solutions before and after dilution of the volume of solution added is calculated.              
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Molar concentration of mass and volume

Calculator allows to determine the molar concentration of the solution.            
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Verifiers

Verification of the REGON number in Poland

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Insulation of wall

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Calculator allows you to calculate the amount of insulation panels needed to cover the walls of the building using the "light wet" or "dry light" methods.
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Amount of paint necessary to paint the room

Calculator to estimate the amount of paint needed to paint a room by painting a single and double.                  
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Redemption value calculator

Calculator based on the given amount of capital, the interest rate and the number of years calculated the approximate value of the redemption. The redemption value - part of the premiums paid in the form of financial resources, which is fixed in the contract returns a policyholder in case of cancellation of insurance before the end of the contract.                    
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Number of tetrahedral

Tetrahedral numbers are the natural numbers, for which it is possible to construct a tetrahedron formnego of bullets. They are a special case of the pyramidal numbers.