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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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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
Molar concentration of mass and volume
Calculator allows to determine the molar concentration of the solution.
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Radioactive decay
The calculator calculates how much radioactive material remains after a certain period of time.
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Calculator social security contributions - the calculation of rates in Poland
Jak obliczyć wysokość składek ZUS?
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Calculator to calculate gross salary given social security contributions deducted from the salary of the employee and the employer. [since 2008]
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Cholesterol VLDL (very low density lipoproteins)
Calculator to the data calculates the average amount of cholesterol in VLDL.
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Insulation of wall
Jak policzyć izolację ścian?
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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Law Boyle's / Mariotte
Calculator based on the values entered pressure and volume of the selected parameter is calculated using Boyle's Law states / Mariotte.
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Friis transmission equation
The calculator calculates the power at which the antenna receives the signal output from the second antenna of the power and distance greater than a single wavelength. The higher the frequency, the higher the transmission power loss from the signal transmission.