A physical constant used in thermodynamics, often representing the heat capacity or enthalpy under specific conditions.

थर्मोकेमिकल स्थिरांक

English Usage: "The thermochemical constant is crucial for calculating the energy changes in reactions."

Hindi Usage: "थर्मोकेमिकल स्थिरांक प्रतिक्रिया में ऊर्जा परिवर्तनों की गणना के लिए अत्यंत महत्वपूर्ण है।"