Draw the Lewis dot structure for each of the following compounds. Predict the compounds shape. Determine whether the compound will be polar or nonpolar
NH4+ tetrahedral, nonpolar
CH2O trigonal planar, polar
AlCl3 trigonal planar, nonpolar
Write the electron configuration for each of the following elements.
Determine the pH or [H+] for each of the following solutions.
[HCl] = 2.35 x 10-4, 3.629
[HNO3] = 0.000452, 2.344
[KOH] = 4.65 x 10-4, 10.667
sodium carbonate with [-OH] = 5.6 x 10-5, 9.748
potassium acetate with pH = 10.52, 3.02 x 10-11
benzoic acid with pH = 5.36, 4.36 x 10-6
Consider the following reaction. If you have 56.43 grams of carbon monoxide (CO) and 35.73 grams of hydrogen (H2), how many grams of methanol can form?
64.49 grams of CH3OH can form. CO is the limiting reagent.
Consider the following reaction. If you have 46.5 grams of zinc oxide (ZnO) and 36.5 grams of coke (C), how much zinc (Zn) can you form?
37.4 grams of Zn can form. ZnO is the limiting reagent.
Consider the following reaction. If you have 35.4 grams of bromine (Br2) and 76.3 grams of aluminum (Al), how much aluminum bromide (AlBr3) can you form?
39.39 grams of AlBr3. Br2 is the limiting reagent.