Dive into a comprehensive tutorial on solving separable differential equations, covering topics from Stewart Calculus Section 9.3. Learn to derive exponential functions from differential equations, tackle various examples of separable equations, and apply these concepts to real-world mixing problems. Master techniques such as factor grouping, handling initial conditions, and solving complex integrals. Explore specific problems from Stewart Calculus, including population growth models and continuously stirred tank reactor (CSTR) applications in chemical engineering.