Podcast
Questions and Answers
What is the primary factor responsible for the high melting points of ionic solids?
What is the primary factor responsible for the high melting points of ionic solids?
- their large, positive lattice enthalpies
- their high vapor pressures
- their large, negative lattice enthalpies (correct)
- the electronegativities of their constituent elements
What is the number of σ and π bonds in the trans-1,2-dicyanoethene molecule?
What is the number of σ and π bonds in the trans-1,2-dicyanoethene molecule?
- 5 σ, 3 π
- 4 σ, 8 π
- 7 σ, 5 π
- 4 σ, 3 π (correct)
What is the hybridization of the two labeled C atoms in the trans-1,2-dicyanoethene molecule?
What is the hybridization of the two labeled C atoms in the trans-1,2-dicyanoethene molecule?
- sp³
- sp² (correct)
- sp⁴
- sp
What are the partial pressures of N₂(g) and H₂(g) in the decomposition of NH₃(g) in a closed vessel?
What are the partial pressures of N₂(g) and H₂(g) in the decomposition of NH₃(g) in a closed vessel?
What is the bond order and magnetic behavior of the C₂ molecule based on the valence MO diagram?
What is the bond order and magnetic behavior of the C₂ molecule based on the valence MO diagram?
What happens to the volume of the air in the diving bell as it is lowered to the bottom of the lake?
What happens to the volume of the air in the diving bell as it is lowered to the bottom of the lake?
What is the effect on the volume of a gas when the temperature is held constant?
What is the effect on the volume of a gas when the temperature is held constant?
What is the electronic geometry, molecular geometry, and valence hybridization of S, respectively, for the sulfite ion (SO32−)?
What is the electronic geometry, molecular geometry, and valence hybridization of S, respectively, for the sulfite ion (SO32−)?
Under what conditions do gases exhibit the most ideal behavior?
Under what conditions do gases exhibit the most ideal behavior?
What is the partial pressure of the Ar after the stopcock between the two flasks is opened and the gases are allowed to fully mix?
What is the partial pressure of the Ar after the stopcock between the two flasks is opened and the gases are allowed to fully mix?
Which of the following behaviors is not characteristic of an ideal gas?
Which of the following behaviors is not characteristic of an ideal gas?
What is the density, in g/L, of SF6 gas at 0.500 atm and 300K?
What is the density, in g/L, of SF6 gas at 0.500 atm and 300K?