30194
Chemical
Molar concentration of mass and volume
Calculator allows to determine the molar concentration of the solution.
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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
Radioactive decay
The calculator calculates how much radioactive material remains after a certain period of time.
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Building
Making the walls to the finshed state
Calculator allows you to calculate the amount of the dry wall assemblies or kilograms of the plaster needed to finish the walls of a room with the indicated dimensions.
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Savings
Calculate the cost of electricity consumption device
The calculator is designed to calculate the cost of using the selected appliance. Only devices running without interruption.
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Physical
The energy stored in the capacitor
Calculator in supply capacitor, the capacitance and load resistance calculates the energy stored in the capacitor and the time constant of the RC circuit.
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Verifiers
Verification of the REGON number in Poland
Verifier allows you to validate entered REGON number
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Math
Circumference of an ellipse
The calculator calculates the circumference of an ellipse for a given length of the axis passing through it.