CHM 113 Midterm: Exam 4

• School: ASU
• Department: Chemistry
• Course: CHM 113
• Professor: All

Document Summary

Multiple choice (4 points each): answer on blue form; be sure to code in your name and id. Answers: what is the approximate o-c-o bond angle in co3, 90o, 109o, 120o, 180o, 270o. 2-: c, which one of the following molecules and ions would not be expected to have a tetrahedral shape, e. Sample exam 4: a weather balloon filled with hydrogen gas greatly increases in volume as it ascends to high altitudes. H2: ammonia is a real gas and not an ideal gas, the critical temperature and pressure of nh3 (405k and 112 atm) are too close to the actual temperature and pressure of the nh3 as described. The two compounds are isomers, that is, they have the same chemical formula, but with a different arrangement of atoms. Sample exam 4: solid nickel has a cubic unit cell. The edge of the cubic cell is 3. 0 x 10-8 cm.