Enthalpy online calculator



App description

Enthalpy online calculator, Enthalpy calculator, Enthalpy value calculation

The following table calculates the reaction enthalpy as NO3 + H2O -----> HNO3 + OH

Please keep in mind the following rules:

Enthusiastic change Spontaneous reaction?
Heat release (dH < 0) Yes, dG < 0
Heat release (dH < 0) If |T dS| < |dH|
Endothermic (dH > 0) If T dS > dH
Endothermic (dH > 0) No, dG > 0

Usage example

Reactant A: NO3

Reactant B: H2O

Reactant C: None

Product A: HNO3

Product B: OH

Product C: None

Click "Enthalpy value" and output the result.

Enthalpy results (kcal/mol): 17.826

Note

When reactants and products are two chemical formulas, the third one is "None".

 

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