Calculate the volume occupied by 1.68 g of He gas at STP.

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

How have the greenhouse gasses increased from the year 2000 to 2018

Which element is the least metallic between cadmium, silver, zinc, or iron?