CHEM 2770 Midterm: CHEM 2770 277Dec-2001 Exam

8 views24 pages
31 Jan 2019
Department
Course
Professor

Document Summary

You must mark the answer sheet with pencil (not pen). Put your name and enter your student number on the answer sheet. Choose the answer that you think is correct and record your choice on the answer sheet. This exam will count for 60% of your final mark. There is a blank page at the end of the exam for rough work. Fifty ml of 0. 2 m naoh is added to 110 ml of 0. 1 m lactic acid. (the pk of lactic acid is 4. 1). The resulting mixture has a ph close to: a. "o: 1 &2 b) 2,3 & 4 c) 2,4 &5 d) 3,4 & 5 e) 1,3 & 5. Use the following data to answer questions 4 and 5. An enzyme which follows michaelis-menten kinetics has a k for its substrate of 1 x 10 m and, at a substrate concentration of 0. 01 m, catalyzes the formation of product at v = 20 micromoles/min.