Investigate the foundational principles and applications of chemical engineering in various industries. Explore key topics including mass and energy balances, reaction kinetics, and transport phenomena, emphasizing their role in process design and optimization. Analyze the significance of chemical engineering in addressing societal needs such as energy production, environmental protection, and pharmaceutical development. Consider the interdisciplinary nature of chemical engineering, integrating principles from chemistry, physics, and mathematics. Additionally, examine emerging trends such as biotechnology, process intensification, and renewable energy, and their implications for advancing the field. Conclude by discussing the future challenges and opportunities in chemical engineering for addressing global societal needs.