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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82548

Chemical

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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Chemical

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.

24151

Chemical

Molar concentration of mass and volume

Calculator allows to determine the molar concentration of the solution.

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Verifiers

Verification ISBN preview

Jak sprawdzić numer ISBN?
Jak zweryfikować numer ISBN?

Calculator allows you to verify the ISBN number entered.

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Math

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.

44897

Health

Indicator of body fatness BAI (Body Adiposity Index)

The calculator to the data rate of BAI our body. It is a later invention, and gives a more accurate picture of the state of our body than BMI.

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Life

Freezing sea water

Calculator based on the average salinity of the basin are calculated freezing point of the water content by the formula Krummel.

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Financial

Purchase price / sales tax bill

Financial Calculator will calculate the price of the purchase or sale of Treasury bills and the amount and an annual discount rate.