CHEM1300F11-Final-v1-Answers

CHEM1300F11-Final-v1-Answers - CHEM 1300 final exam, Fall...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: CHEM 1300 final exam, Fall 2011 December 14, 2011 Version 1 3 hour exam Page 1 Part A 1. Which exam version are you writing (see the header above)? This question is not worth any marks, but no concessions will be made if you answer it incorrectly. a. Version 1 b. Version 2 2. The concentration of a solution prepared by dissolving 10.0 g of sodium chloride in sufficient water to make 750.0 mL of solution is: a. 0.133 M b. 0.228 M c. 0.0133 M d. 0.456 M e. 0.0750 M 3. Electrical (Coulomb) energy: a. Increases in magnitude as the distance between charged particles decreases. b. Is greater for two Ca 2+ cations 10 pm apart than for two Na + cations 10 pm apart. c. Is negative for two oppositely charged particles. d. Is the potential energy associated with the forces of attraction and repulsion between electrically-charged particles. e. All of the above. 4. Which radiation has the highest frequency? a. green visible light b. radio waves c. infrared radiation d. microwave radiation e. cell phone radiation 5. CANCELLED. A police radar unit is operating at a frequency of 9.527 gigahertz (10 9 Hz). What is the wavelength of the radiation being employed? a. 631.3 nm b. 6.31310 24 m c. 2.858 nm d. 31.47 cm e. 2.85810 18 m CHEM 1300 final exam, Fall 2011 December 14, 2011 Version 1 3 hour exam Page 2 6. The figure below represents the energy level diagram for the hydrogen atom, and the arrows labeled a f are possible electron transitions. Rank the transitions that involve the emission of a photon from lowest to highest frequency. a. a < c < b < e < f < d b. d < f < e < b < c < a c. d < e < c d. c < e < d e. a < b < f 7. The notation for the subshell with n = 5 and l = 3 is: a. 3 d b. 3 h c. 5 d d. 5 p e. 5 f 8. A possible set of quantum numbers for an electron in the partially filled subshell in a potassium atom in its ground state configuration would be n l m l m s a. 3 0 0 b. 3 1 0 - c. 4 0 0 - d. 4 1 0 e. 4 2 1 9. Which one of the following pictures shows a 2 p orbital? a. b. c. d. e. 10. Which atom has the smaller 3 s orbital? a. An atom with more protons b. An atom with fewer protons c. An atom with more neutrons d. An atom with fewer neutrons e. The size of the 3 s orbital is the same for all atoms. n = 1 n = 2 n = 3 n = 4 c d a b e f Energy CHEM 1300 final exam, Fall 2011 December 14, 2011 Version 1 3 hour exam Page 3 11. In the ground state electron configuration of gold (Au), how many electrons are there in the 3 p orbitals? a. 0 b. 1 c. 2 d. 3 e. 6 12. Place the following species in order of decreasing radius. 2 Te F 2 O a. F > 2 O > 2 Te b. F > 2 Te > 2 O c. 2 Te > 2 O > F d. 2 Te > F > 2 O e....
View Full Document

Page1 / 13

CHEM1300F11-Final-v1-Answers - CHEM 1300 final exam, Fall...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online