12 Questions
What is the primary factor responsible for the high melting points of ionic solids?
their large, negative lattice enthalpies
What is the number of σ and π bonds in the trans-1,2-dicyanoethene molecule?
4 σ, 3 π
What is the hybridization of the two labeled C atoms in the trans-1,2-dicyanoethene molecule?
sp²
What are the partial pressures of N₂(g) and H₂(g) in the decomposition of NH₃(g) in a closed vessel?
148 & 296 torr
What is the bond order and magnetic behavior of the C₂ molecule based on the valence MO diagram?
BO = 2, paramagnetic
What happens to the volume of the air in the diving bell as it is lowered to the bottom of the lake?
It decreases
What is the effect on the volume of a gas when the temperature is held constant?
The volume is unchanged
What is the electronic geometry, molecular geometry, and valence hybridization of S, respectively, for the sulfite ion (SO32−)?
Trigonal planar, trigonal planar, sp2
Under what conditions do gases exhibit the most ideal behavior?
High temperature and low pressure
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?
477 mm Hg
Which of the following behaviors is not characteristic of an ideal gas?
Gas particles are attracted to one another
What is the density, in g/L, of SF6 gas at 0.500 atm and 300K?
2.97 g/L
Test your knowledge of chemistry with these questions on bonding and properties of molecules. Answer questions about nitrogen bonds, ionic solids, and molecular structures.
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