Laboratory to accompany CHE 107, General Chemistry for Engineers 1. Experiments focus upon stoichiometry, reactions in aqueous solutions, thermochemistry, and properties of gases. This course is a controlled enrollment (impacted) course. Students who have previously attempted the course and received a grade other than W may repeat the course in the summer or winter; or only in the fall or spring semester with a petition to the College of Arts and Sciences Deans' Office.