90331
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).
Long description
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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
Molar concentration of mass and volume
Calculator allows to determine the molar concentration of the solution.
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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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Waterproofing balconies [IZOHAN]
Calculator allows to determine the price of IZOHAN materials needed to complete the waterproofing of the terrace of the given dimensions.
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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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Verification of the ISSN
Calculator allows you to verify the number entered ISSN (International Standard Serial Number serial publication). FAQ: How ISSN number?
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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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Metal weight calculator
the calculator calculates the mass of metal parts according to the form of the product and the type of metal