7. Which ionization process requires the most energy?
(A)
(B)
(C)
(D)

3.What volume of 18.0 M sulfuric acid must be used to prepare 15.5 L of 0.195 M H2SO4 ? (A) 168 mL (B) 0.336 L (C) 92.3 mL (D) 226 mL (E) none of these

4. Air has an average molar mass of 29.0 g/ mol. The density of air at 1.00 atm and 30°C is (A) 29.0g/L (B) 40.0g/mL (C) 1.17g/L (D) 1.29g/L (E) 12g/L

5. Consider the following gas samples:Which one of the following statements is false? (A) The volume of sample A is twice the volume of sample B. (B) The average kinetic energy of the molecules in sample A is twice the average kinetic energy of the molecules in sample B. (C) The fraction of molecules in sample A having a kinetic energy greater than some high fixed value is larger than the fraction of molecules in sample B having kinetic energies greater than that same high fixed value. (D) The mean square velocity of molecules in sample A is twice as large as the mean square velocity of molecules in sample B. (E) Assumning identical intermolecular forces in the two samples, sample A should be more nearly ideal than sample B.

6.Consider the following ground state electron configuration: 1s22s22p4. Which of the ions has this ground state electron configuration? (A) (B) (C) (D)

8. Which type of spherical packing has the most unused space? (A) body-centered cubic (B) cubic closest-packed (C) cubic closest-packed and hexagonal closest-packed (D) simple cubic

9. What is the edge length of a face-centered cubic unit cell made up of atoms having a radius of 200 pm? (A) 71 pm (B) 566 pm (C) 20 pm (D) 110 pm

10.KBr crystallizes in a cubic unit cell with Br ions on each corner and each face. How many ions and ions are in each unit cell of KBr? (A) 1 ion and 1 ion (B) 2 ions and 2 ions (C) 4 ions and 4 ions (D) 8 ions and 8 ions

11.Which should be least soluble in water? (A) (B) (C) (D)

12.A solution is prepared by dissolving 17.75 g sulfuric acid, H2SO4, in enough water to make 100.0 mL of solution. If the density of the solution is 1.1094 g/mL, what is the molality? (A) 0.1775m H2SO4 (B) 0.1810 m H2SO4 (C) 1.810 m H2SO4 (D) 1.940 m H2SO4

13.n general, as the temperature increases, the solubility of gases in water ______ and the solubility of most solids in water ______. (A) decreases, decreases (B) decreases, increases (C) increases, decreases (D) increases, increases