12 Questions
Which molecule has the shortest nitrogen-to-nitrogen bond?
N2
What is the primary reason for the high melting points of ionic solids?
Large, negative lattice enthalpies
How many σ and π bonds are present in the trans-1,2-dicyanoethene molecule?
4 σ, 3 π
What is the valence hybridization of the labeled C atoms in the trans-1,2-dicyanoethene molecule?
sp²
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?
148 & 296 torr
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 if the temperature remains constant?
V is unchanged
What is the electron group geometry, molecular geometry, and valence hybridization of the sulfite ion (SO32-) respectively?
trigonal planar, trigonal planar, sp2
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?
33.4 g/mol
Under what conditions do gases exhibit the most ideal behavior?
high T and low P
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?
441 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?
34 atm
Test your knowledge of chemistry with these questions on nitrogen-to-nitrogen bonds, ionic solids, and bonding in molecules. Challenge yourself to get the correct answers!
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