$$ \beginaligned \textCross-sectional area &= \pi \times \left( \frac\textDiameter2 \right)^2 \ &= \pi \times \left( \frac10 , \textcm2 \right)^2 \ &= 78.5 , \textcm^2 \endaligned $$
(Roger G. Harrison et al.) is an instructor-only resource designed to accompany the textbook by providing detailed answers and methodologies for end-of-chapter problems. Key Features of the Solutions Manual bioseparations science and engineering solution manual