UNE Gen Chem II Midterm Review
1. At room temperature and 1 atm, methane (CH4) is a dispersion
gas and carbon tetrachloride (CCl4) is a liquid. Which
intermolecular force is primarily responsible for the
phase difference between methane and carbon tetra-
chloride?
2. The highly concentrated partial charge between an H hydrogen bond
atom and F, O, or N atoms is
3. Which of the following will have the lowest boiling CH3CH3
point?
4. Which of the following will have the lowest boiling CF4
point? C bonding
5. Which of the following represents an endothermic vaporization
process?
6. Which of the following represents an exothermic condensation
process?
7. Which of the following is true about solutions? A solution will not sponta-
neously separate
8. In the dissolution of an ionic compound in water, which The overall process of dis-
of the following will always be endothermic? solution
9. The solubility of sucrose in water at 20 °C is 6.13 mol/L. supersaturated
If 6.55 mol of sucrose is dissolved in 1.00 L of water at
90 °C and allowed to cool to 20 °C with no formation
of solid sucrose, the resulting solution will be
10. The solubility of sucrose in water at 20 °C is 6.13 mol/L. unsaturated
If 5.72 mol of sucrose is dissolved in 1.00 L of water at
, UNE Gen Chem II Midterm Review
90 °C and allowed to cool to 20 °C with no formation
of solid sucrose, the resulting solution will be
11. Which of the following is always true, even if the two A 0.5 M solution has a low-
solutions contain different solutes? The nonvolatile er boiling point than a 1.0
solute, temperature, and pressure are the same for all M solution
solutions.
12. Colloids are generally cloudy or
opaque
will not spontaneously
separate
are composed of particles
larger than molecules dis-
persed in a medium
13. The reaction N2 + O2 ö2 NO involves two elementary k[N2]^2[O2]
steps. The rate law for this reaction is
14. Which of the following best describes the effect of a
catalyst on the reaction in the diagram above? q1
15. Which of the following best describes the effect of a
catalyst on the reaction in the diagram above? q2
16. Which of the following best describes the effect of a
catalyst on the reaction in the diagram above? q3
1. At room temperature and 1 atm, methane (CH4) is a dispersion
gas and carbon tetrachloride (CCl4) is a liquid. Which
intermolecular force is primarily responsible for the
phase difference between methane and carbon tetra-
chloride?
2. The highly concentrated partial charge between an H hydrogen bond
atom and F, O, or N atoms is
3. Which of the following will have the lowest boiling CH3CH3
point?
4. Which of the following will have the lowest boiling CF4
point? C bonding
5. Which of the following represents an endothermic vaporization
process?
6. Which of the following represents an exothermic condensation
process?
7. Which of the following is true about solutions? A solution will not sponta-
neously separate
8. In the dissolution of an ionic compound in water, which The overall process of dis-
of the following will always be endothermic? solution
9. The solubility of sucrose in water at 20 °C is 6.13 mol/L. supersaturated
If 6.55 mol of sucrose is dissolved in 1.00 L of water at
90 °C and allowed to cool to 20 °C with no formation
of solid sucrose, the resulting solution will be
10. The solubility of sucrose in water at 20 °C is 6.13 mol/L. unsaturated
If 5.72 mol of sucrose is dissolved in 1.00 L of water at
, UNE Gen Chem II Midterm Review
90 °C and allowed to cool to 20 °C with no formation
of solid sucrose, the resulting solution will be
11. Which of the following is always true, even if the two A 0.5 M solution has a low-
solutions contain different solutes? The nonvolatile er boiling point than a 1.0
solute, temperature, and pressure are the same for all M solution
solutions.
12. Colloids are generally cloudy or
opaque
will not spontaneously
separate
are composed of particles
larger than molecules dis-
persed in a medium
13. The reaction N2 + O2 ö2 NO involves two elementary k[N2]^2[O2]
steps. The rate law for this reaction is
14. Which of the following best describes the effect of a
catalyst on the reaction in the diagram above? q1
15. Which of the following best describes the effect of a
catalyst on the reaction in the diagram above? q2
16. Which of the following best describes the effect of a
catalyst on the reaction in the diagram above? q3
