Problem 9
Estimate the enthalpy change for this reaction. Start by drawing the Lewis electron dot diagrams for each substance. \(\mathrm{N}_{2}+3 \mathrm{H}_{2} \rightarrow 2 \mathrm{NH}_{3}\)
Problem 9
With arrows, illustrate the transfer of electrons to form scandium fluoride from Sc atoms and \(\mathrm{F}\) atoms.
Problem 9
Which bond do you expect to be more polar-an \(\mathrm{O}-\mathrm{H}\) bond or an \(\mathrm{N}-\mathrm{H}\) bond?
Problem 9
Draw the Lewis electron dot diagram for each ion. a) \(\mathrm{Mg}^{2+}\) b) \(\mathrm{S}^{2-}\)
Problem 10
What is the geometry of each species? a) \(\mathrm{CO}_{3}^{2-}\) b) \(\mathrm{N}_{2} \mathrm{H}_{4}\) (both \(\mathrm{N}\) atoms are central atoms and are bonded to each other)
Problem 10
Draw the Lewis electron dot diagram for each ion. a) \(\mathrm{In}^{+}\) b) \(\mathrm{Br}^{-}\)
Problem 10
Which bond do you expect to be more polar-an O-F bond or an S-O bond?
Problem 10
Draw the Lewis electron dot diagram for each substance. a) \(\mathrm{AsF}_{3}\) b) \(\mathrm{NH}_{4}^{+}\)
Problem 11
Draw the Lewis electron dot diagram for each substance. Double or triple bonds may be needed. a) \(\mathrm{SiO}_{2}\) b) \(\mathrm{C}_{2} \mathrm{H}_{4}\) (assume two central atoms)
Problem 11
Draw the Lewis electron dot diagram for each ion. a) \(\mathrm{Fe}^{2+}\) b) \(\mathrm{N}^{3-}\)
