Balance the following chemical equation. __mg+___CuCi-->__mgcI2+___CU

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

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

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp