IIT-JEE MAINS 2027 Thermodynamics Formula Sheet - Free Study Material

Mastering thermodynamics is essential for securing a top rank, as it remains one of the most high-weightage, important chapters across Physics and Chemistry. Designed strictly in alignment with the latest IIT-JEE MAINS 2027 syllabus and current exam pattern, this targeted cheat sheet consolidates every critical formula, principle, and state equation into a high-yield reference guide. It delivers a quick-revision roadmap that transforms lengthy theoretical concepts into accessible, quick-solve mathematical relationships. Perfect for daily revision and test-day prep, this comprehensive study material empowers students to solve numerical problems with maximum speed, theoretical clarity, and razor-sharp accuracy.

Key Topics Covered

• Zeroth & First Law of Thermodynamics: Internal energy ($\Delta U$), heat ($Q$), and IUPAC sign conventions for mechanical work ($W$).
• Thermodynamic Processes: Isothermal, Adiabatic, Isobaric, and Isochoric expansion/compression equations.
• Gas Laws & Specific Heats: Mayer's relation ($C_p - C_v = R$), degrees of freedom ($f$), and adiabatic exponent ($\gamma$).
• Second Law & Heat Engines: Efficiency of Carnot Engines ($\eta$), Refrigerator COP ($\beta$), and entropy changes.
• Thermochemistry & State Functions: Enthalpy ($\Delta H$), Gibbs free energy ($\Delta G$), spontaneity conditions, and Hess's Law.