Investigating the foundational principles underlying chemical engineering, one must explore the intricate interplay between physics, chemistry, and mathematics. These disciplines converge to elucidate phenomena like mass transfer, heat transfer, and reaction kinetics, fundamental to process design. Understanding thermodynamics unveils the behavior of materials at varying conditions, crucial for optimizing industrial processes. Moreover, fluid mechanics elucidates the flow behavior of substances, indispensable for designing efficient reactors and separation units. Mastery of these principles forms the bedrock for innovation and advancement within the realm of chemical engineering.