18508
Chemical
Law Gay-Lussac
Calculator based on the programmed temperature and pressure values are calculated using the selected parameter Gay-Lussac law.
Long description
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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.
28190
Chemical
Molar concentration of mass and volume
Calculator allows to determine the molar concentration of the solution.
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Math
The harmonic mean
Calculator based on the entered numbers separated by commas calculate the harmonic mean.
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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.
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Math
Calculate how long you go on foot
Calculator calculates the approximate time given distance and overcome the distance on foot.
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Life
Rainwater tank
The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
Long description
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Life
Battery life
Calculator based on the specified battery capacity and consumption estimates the time. Calculator does not take into account changes in CPU speed and action in the case of ACPI computers.