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Chemical
Charles Law
Calculator based on the programmed temperature and volume of the selected parameter is calculated using the right Charles.
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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.
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Chemical
Molar concentration of mass and volume
Calculator allows to determine the molar concentration of the solution.
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Molar concentration of mass and volume
Calculator allows to determine the molar concentration of the solution.
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Math
The center point (mid point)
The calculator calculates the coordinates of the point located exactly halfway between two preset points in the two-dimensional plane.
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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.
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Verifiers
Verification of the social security number in Poland
It presents data deriving from the unique social security number, such as date of birth, sex, serial number and check its correctness.