Write balanced half-reactions for the following redox reactions
Cl2(g) + Bi3+ (aq) + 6OH-(aq) = 2cl-(aq) + BiO-3 (aq) + 3H20 (l)

Does anyone know a lot about how to: - calculate mass of magnesium metal - calculate the actual yield of magnesium oxide - calculate the theoretical yield of mgo - calculate the percent yield of mgo - determine the percent yield of mgo - determine the average percent yield of mgo i had to do an online lab and its asking these questions but i have no idea where to start or how to be able to find these things. i can post the chart of the data from the lab or if you can tell me exactly how i can find each.

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure