When communicating with Apollo astronauts, scientists on Earth use radio waves and the "over to you" method of communication. This method must be used because of the delay in communication. This delay is due to the

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

Based on its chemical properties, identify the position of each chemical family on the periodic table.

Draw the structure for 5-isopropyl-2-methyl-3-nonene