78.03 / 1.008 Sig Fig

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

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

Match the mixture with the substance// i really need on this guys (it’s a pic btw)