1.How do these descriptions fit into the big picture why Philippines is frequently visited by so many typhoons? 2.What would likely to happen if the wind hit the mountain? Will it change direction?

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

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?