The net charge on the perchlorate ion is 

In the molecular orbital description of the C22− ion, the bond order is             . Hint:  Fill in the MO diagram for the valence electrons, assuming the four core electrons fill the σ1s and σ*1s molecular orbitals. Hint:  Bond order = 1/2 [# bonding electrons – # antibonding electrons]

The hybridization of the indicated carbon atom in the structure below is                    .  The O═C−O approximate bond angle is                    .

Of the bonds C–C, C=C, and C≡C, the carbon-carbon triple bond is                      and                     .

When 350 mL of a magnesium chloride solution is placed in a beaker and the water is allowed to evaporate, 21.5 g of MgCl2 solid remains in the beaker.  What was the molarity of the original 350 mL of solution? Hint: molar mass (FWT) of MgCl2 is 95.20 g/mol. 

Have you taken online class/classes before? If you have taken online class/classes before, describe your experiences both positive/beneficial and negative/difficulty you experienced.  

Who gets credit for coming up with the original name “Beetles”:

The growing number of people who run businesses that depend entirely on the internet are known as ____. 

A business plan can help an entrepreneur articulate their vision and improve their own understanding of the business concept. 

The combustion of propane (C3H8) produces CO2 and H2O: C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (g)The reaction of 2.5 mol of O2 with 4.6 mol of C3H8 will produce __________ mol of H2O.