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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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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.
27130
Chemical
Molar concentration of mass and volume
Calculator allows to determine the molar concentration of the solution.
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Verifiers
Verifier numbers EAN-13 preview
Verifier numbers EAN-13
Calculator allows you to verify the number entered EAN-13.
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Financial
Cash liquidity ratio
Calculator based on the introduced: the financial resources and current liabilities are calculated ratio of cash. CES - tells you how much current liabilities can be settled without delay, if they become due and payable at that time.
12915
Life
Western and Chinese astrological signs (zodiac)
For a given date of birth calculator calculates the corresponding Western and Chinese astrological sign (zodiac).
308727
Medical
Unit Converter glucose (blood sugar)
converter converts the blood sugar level in milligrams per deciliter (mg / dL) in millimoles per liter (mmol / L) and vice versa. http://pl.wikipedia.org/wiki/Glikemia
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Math
Action at a fraction of the usual
The calculator performs four basic operations with fractions ordinary. The result returns in the form of a fraction improper and nieskracalnego.