Calculator catalog
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Found 23 calculators
Cell potential from half-cells
Calculates cell potential as cathode reduction potential minus anode reduction potential.
Nernst equation
Calculates potential from E⁰, absolute temperature T, electron count z, and quotient Q.
ΔG and cell potential
Calculates ΔG = −zFE.
Faraday's law
Calculates Q = n·z·F from amount of substance n and electron count z per entity.
Electrolysis deposited mass
Calculates mass from I, t, M, z, and current efficiency.
Electrolysis time
Calculates time required to deposit the specified mass.
Required electrolysis current
Calculates current for a specified mass and time.
Amount of substance from charge
Calculates amount of substance from charge Q and electron count z.
Hydraulic retention time
Calculates HRT = V/Q for a tank or basin.
Pollutant load
Calculates mass load from flow rate and concentration using canonical units.
Tank volume from Q and HRT
Calculates required volume from flow rate and retention time.
Removal efficiency
Calculates percent removal from C_in and C_out.
Molar flow rate
Calculates molar flow from mass flow and molar mass.
Two-stream mixer mass balance
Calculates helper output mass flow as the sum of two user-provided streams.
Mixed concentration of two streams
Calculates helper mixed concentration as a flow-weighted average from user-provided values.
Residence time
Calculates helper residence time as volume divided by volumetric flow rate.
Reactor conversion
Calculates helper conversion from user-provided inlet and outlet moles.
First-order half-life
Calculates helper first-order half-life from a user-provided rate constant.
Arrhenius rate constant
Calculates helper rate constant from the Arrhenius equation using user-provided values.
CSTR first-order volume
Calculates ideal CSTR volume for a first-order reaction, constant density and supplied conversion.
PFR first-order volume
Calculates ideal PFR volume for a first-order reaction, constant density and supplied conversion.
Agitator power from power number
Calculates agitator power from power number, density, rotational speed in 1/s and impeller diameter.
Tank drain time by Torricelli
Calculates the time for liquid head to drop from initial to final height for a constant tank area.