Hardest CHE classes at Purdue

Ranked by average GPA from official grade distributions. Only courses with at least 100 graded students.

CHE 21100: Ch Engr Thermodynamics Average GPA 2.58, 706 students
CHE 20500: Ch Engr Calculations Average GPA 2.64, 915 students
CHE 37800: Heat and Mass Transfer Average GPA 2.92, 638 students
CHE 34800: Chem Reaction Engr Average GPA 3.00, 667 students
CHE 30600: Des Staged Separ Proc Average GPA 3.08, 654 students
CHE 66000: Chem React Engineering Average GPA 3.10, 148 students
CHE 61000: Adv Chem Engr Thermo Average GPA 3.13, 155 students
CHE 42000: Process Safety Mgmt & Anlys Average GPA 3.19, 623 students
CHE 54000: Transport Phenomena Average GPA 3.21, 158 students
CHE 37700: Momentum Transfer Average GPA 3.27, 608 students
CHE 32000: Stat Mdl & Qual Enhnce Average GPA 3.31, 918 students
CHE 45600: Proc Dynamics & Contr Average GPA 3.34, 634 students
CHE 62000: Trans Phenomena I Average GPA 3.35, 155 students
CHE 55400: Smart Man in Process Ind Average GPA 3.36, 112 students
CHE 63000: Applied Math Chem Engr Average GPA 3.41, 155 students
CHE 55100: Principles Pharmaceutic Engr Average GPA 3.41, 126 students
CHE 45000: Desgn & Anly Proc Sys Average GPA 3.50, 603 students
CHE 69700: Chem Engr Teaching Experience Average GPA 3.71, 336 students
CHE 52100: Tissue Engineering Average GPA 3.73, 106 students
CHE 43500: Chemical Engineering Lab Average GPA 3.77, 640 students
CHE 59700: Anly Apprch Hlthcre Deliv Average GPA 3.80, 2,062 students
CHE 30000: ChE Seminar Average GPA 3.90, 694 students
CHE 20000: Chem Engr Semnr Average GPA 3.93, 723 students
CHE 40000: ChE Seminar Average GPA 3.93, 569 students
CHE 66600: Methods in Catalysis Average GPA 3.96, 125 students
CHE 66200: Catalysis Average GPA 4.00, 119 students