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Morse Equation

The Morse equation relates osmotic pressure to solute concentration. Osmotic pressure is the minimum pressure that needs to be applied to a solution to prevent the inward flow of water across a semipermeable membrane.

The osmotic pressure equals the product of the molar gas constant, van 't Hoff factor, molarity and temperature.

Formula

QuantityVariable["Π", "Pressure"] == Quantity[1, "MolarGasConstant"]*QuantityVariable["i", "VantHoffFactor"]*QuantityVariable["M", "Molarity"]*QuantityVariable["T", "Temperature"]

symbol description physical quantity
Π osmotic pressure "Pressure"
i van 't Hoff factor "VantHoffFactor"
M molarity "Molarity"
T temperature "Temperature"

Forms

Examples

Get the resource:

In[1]:=
ResourceObject["Morse Equation"]
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Get the formula:

In[2]:=
FormulaData[ResourceObject["Morse Equation"]]
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Use some values:

In[3]:=
FormulaData[ ResourceObject[ "Morse Equation"], {QuantityVariable["M","Molarity"] -> Quantity[1, ("Moles")/("Liters")], QuantityVariable["\[CapitalPi]","Pressure"] -> Quantity[1, "Atmospheres"], QuantityVariable["T","Temperature"] -> Quantity[298.15`, "Kelvins"]}]
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