Podcast
Questions and Answers
Which molecule has the shortest nitrogen-to-nitrogen bond?
Which molecule has the shortest nitrogen-to-nitrogen bond?
- N2H4
- N2 (correct)
- N2O
- N2O4
What is the primary reason for the high melting points of ionic solids?
What is the primary reason for the high melting points of ionic solids?
- Low vapor pressures
- Electronegativities of their constituent elements
- Large, negative lattice enthalpies (correct)
- Specific heats
How many σ and π bonds are present in the trans-1,2-dicyanoethene molecule?
How many σ and π bonds are present in the trans-1,2-dicyanoethene molecule?
- 4 σ, 3 π (correct)
- 7 σ, 5 π
- 5π, 7σ
- 4 σ, 8 π
What is the valence hybridization of the labeled C atoms in the trans-1,2-dicyanoethene molecule?
What is the valence hybridization of the labeled C atoms in the trans-1,2-dicyanoethene molecule?
What are the partial pressures of N2(g) and H2(g) in the reaction 2NH3(g) → N2(g) + 3H2(g) if the total pressure after decomposition is 444 torr?
What are the partial pressures of N2(g) and H2(g) in the reaction 2NH3(g) → N2(g) + 3H2(g) if the total pressure after decomposition is 444 torr?
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 if the temperature remains constant?
What is the effect on the volume of a gas if the temperature remains constant?
What is the electron group geometry, molecular geometry, and valence hybridization of the sulfite ion (SO32-) respectively?
What is the electron group geometry, molecular geometry, and valence hybridization of the sulfite ion (SO32-) respectively?
What is the molar mass of a gas that occupies a volume of 5.40 L at 741 torr and 44 °C, given a 7.10 g sample?
What is the molar mass of a gas that occupies a volume of 5.40 L at 741 torr and 44 °C, given a 7.10 g sample?
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 Ar after the stopcock between the two flasks is opened and the gases are allowed to fully mix, given a 1.2 L flask with a pressure of 115 mm Hg and a 3.4 L flask with a pressure of 645 mm Hg?
What is the partial pressure of Ar after the stopcock between the two flasks is opened and the gases are allowed to fully mix, given a 1.2 L flask with a pressure of 115 mm Hg and a 3.4 L flask with a pressure of 645 mm Hg?
What is the pressure inside an aerosol can if it is heated from 25 °C to 475 °C, given an initial pressure of 1.8 atm?
What is the pressure inside an aerosol can if it is heated from 25 °C to 475 °C, given an initial pressure of 1.8 atm?
