Chemical
2021-12-15
App description
Gibbs free energy online calculation tool
Free energy refers to the part of the internal energy that
can be conver...
2021-12-15
App description
PH value, also known as hydrogen ion concentration index
and acid-base value, is a scale of hydrogen ion activity ...
2021-12-15
Pump oil pump power and shaft power online calculator
q - flow rate (m3/h)
ρ - fluid density (kg/m3)
g - gravity acceleration grav...
2021-12-15
App description
Common chemical element molecular weight calculator, molecular weight calculation of chemical elements
Usage examp...
2021-12-15
App description
Instructions for use:
Enter a commonly written chemical formula, as shown in the following example:
H2O
Na2SO4
Ca...
2021-12-15
App description
Atomic mass is divided into absolute atomic mass and relative atomic mass.
Absolute mass refers to the actual mass...
2021-12-15
App description
Acid-base pH online estimation tool (gravimetric method)
Gravimetric method: If chemical body, input chemical weig...
2021-12-15
1) Select the molecular type DSDNA; ssDNA RNA olig
2) Enter kilobase (kb):
3) Enter MW of kDa (ie Kb or g/mol/1000):...
2021-12-15
App description
Acid weight formula:
\( Ew = Mw/B\)
Usage example
Acid molecular weight (Mw)： 25
Alkalinity acidity (B)： 10
Click ...
2021-12-15
App description
\(V1 × M1 = V2 × M2\)
V =V2 -V1
V1 = volume before dilution Volume Before Dilution
V2 = volume after dilution Volu...