What are the fundamental theories underpinning chemical engineering, encompassing principles from thermodynamics, kinetics, transport phenomena, and process control? How do these theoretical frameworks guide the design and optimization of chemical processes, including reaction engineering, separation techniques, and unit operations? Furthermore, how do advances in computational modeling and simulation enhance our understanding of complex chemical systems and facilitate innovation in industrial processes? Explore the integration of theory and practice in chemical engineering to address contemporary challenges in sustainability, energy efficiency, and environmental stewardship.