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Chapter 8: Q4 E (page 451)
A typical barometric pressure in Redding, California, is about 750mm Hg. Calculate this pressure in atm and kPa.
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Explain why N22+ is diamagnetic, while O24+, which has the same number of valence electrons, is paramagnetic.
Give the shape that describes each hybrid orbital set:
(a) \({\rm{s}}{{\rm{p}}^{\rm{2}}}\)
(b) \({\rm{s}}{{\rm{p}}^{\rm{3}}}{\rm{d}}\)
(c) sp
(d) \({\rm{s}}{{\rm{p}}^{\rm{3}}}{{\rm{d}}^{\rm{2}}}\)
Can a molecule with an even number of electrons ever be paramagnetic? Explain why or why not
Identify the hybridization of each carbon atom in the following molecule. (The arrangement of atoms is given; you need to determine how many bonds connect each pair of atoms.)
Predict the valence electron molecular orbital configurations for the following, and state whether they will be stable or unstable ions.
(a) \({\rm{N}}{{\rm{a}}_{\rm{2}}}^{{\rm{2 + }}}\)
(b) \({\rm{M}}{{\rm{g}}_{\rm{2}}}^{{\rm{2 + }}}\)
(c) \({\rm{A}}{{\rm{l}}_{\rm{2}}}^{{\rm{2 + }}}\)
(d) \({\rm{S}}{{\rm{i}}_{\rm{2}}}^{{\rm{2 + }}}\)
(e) \({\rm{P}}_{\rm{2}}^{{\rm{2 + }}}\)
(f) \({{\rm{S}}_{\rm{2}}}^{{\rm{2 + }}}\)
(g) \({{\rm{F}}_{\rm{2}}}^{{\rm{2 + }}}\)
(h) \({\rm{A}}{{\rm{r}}_{\rm{2}}}^{{\rm{2 + }}}\)
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