CHEM 101 Midterm: CHEM 101 Drexel CHEM 101 Exam 1 Fall 2008 with answer key
Document Summary
On the answer sheet (scantron) write you name, student id number, and recitation section number. Choose the best (most correct) answer for each question and enter it on your answer sheet. Speed of light: c = 3. 00 x 108 m/s. Planck constant: h = 6. 626 x 10-34 j s. E = hc/ : what is the letter in parentheses at the end of the title line, a, b, c, d, e, a statement devised to explain some initial observations, which is subject to disproof, is called a law. 2: kh2+ + co3, k+ + h+ + c + o3, kh2+ + c + o3, k+ + hco3, k+ + h+ + c + 3 o2- 10-7 l: electromagnetic radiation having a wavelength of 475 nm is in the blue region of the visible spectrum. Converting this wavelength into centimeters yields: 4. 75, 4. 75, 4. 75, 1. 86, 1. 86.
