MULTIPLE CHOICE!! Consider the following reaction:

2 H2S(g) + 3 O2(g) → 2 SO2(g) + 2 H2O(g)

If 218 g of H2S reacts with excess oxygen, and 94.1 g of water was collected after the reaction has gone to completion, what is the percent yield of the reaction?

Group of answer choices

43.2 %

46.0%

81.6%

92.4%

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 property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-