What is your throat idea about this process

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

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

Which characteristics can be used to differentiate star systems? check all that apply.