Amagnesium ion, mg2+, with a charge of 3.2×10−19c and an oxide ion, o2−, with a charge of −3.2×10−19c, are separated by a distance of 0.25 nm. how much work would be required to increase the separation of the two ions to an infinite distance?

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added