How is the accuracy of the oxygen determination affected by the addition of a gas into the stream that is reduced by a reaction analogous to that of oxygen?

Based on the equation and the information in the table, what is the enthalpy of the reaction?

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

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