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Thermodynamic Fundamentals of Chemical Reactions
Thermodynamic Fundamentals of Chemical Reactions
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The course Thermodynamic Fundamentals of Chemical Reactions explores energy exchanges in the form of heat in chemical reactions and state changes, focusing on enthalpy (ΔH), which quantifies the heat exchanged at constant pressure. It distinguishes exothermic (ΔH < 0, release heat) and endothermic (ΔH > 0, absorb heat) processes, illustrating energy transfers and activation energy barriers through enthalpy diagrams.
The content covers the main laws of thermochemistry, such as the Lavoisier-Laplace Law (reversing the reaction reverses the sign of heat) and Hess's Law, which allows the energy variations of complex reactions to be calculated by summing intermediate reactions.
The course teaches two methods of enthalpy calculation: by the standard ΔH of formation, using experimental data, and by the bond enthalpy method, based on the energy required to break bonds and form products. Mastery of these concepts is essential for predicting compound stability, assessing climate impacts, and ensuring safety in industrial reactors.
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