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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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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The electromagnetic force coil (Electromagnetic Force)

Calculator to input current, cross-sectional area, length and number of turns of the coil face it generated electromagnetic force.

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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.

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Medical

Associated Hyponatremii sodium deficit.

The calculator hyponatremia patient with hyponatremia.

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Financial

ROCE - an indicator of the efficiency of investment

The calculator calculates ROCE on the basis of these pre-tax profits, total capital and current liabilities ROCE (called Return On Capital Employed) - an indicator of the efficiency and profitability of the investment, which is the capital of the company involved.

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Health

Calculator / BMI - Calculate Body Mass Index indicator

jak obliczyć BMI?

The online BMI calculator calculates the body mass index - BMI - based on height and weight entered.