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Enthalpy Change Calculator

Compute the molar enthalpy change (ΔH) of a chemical reaction from calorimetry data — mass, specific heat, temperature change, and moles of reactant. Used in thermochemistry labs to characterize exothermic and endothermic reactions.

Mass of Substance (g)

Specific Heat Capacity (J/(g·°C))

Temperature Change (ΔT) (°C)

Moles of Reactant (mol)

Calorimeter Type

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Chemistry

Osmotic Pressure Calculator

Calculate the osmotic pressure of a solution using the van't Hoff equation. Used in biology, medicine, and chemical engineering to understand solute movement across membranes.

Molar concentration (M)

Temperature (K)

van't Hoff factor

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Key differences

	Enthalpy Change Calculator	Osmotic Pressure Calculator
Category	Chemistry	Chemistry
Inputs required	5	3
Result	Enthalpy Change per Mole (kJ/mol)	Osmotic Pressure (atm)
What it does	Compute the molar enthalpy change (ΔH) of a chemical reaction from calorimetry data — mass, specific heat, temperature change, and moles of reactant. Used in thermochemistry labs to characterize exothermic and endothermic reactions.	Calculate the osmotic pressure of a solution using the van't Hoff equation. Used in biology, medicine, and chemical engineering to understand solute movement across membranes.