List the five characteristics a substance must have to be a mineral. explain why coal and a glass marble are not minerals.

(this is chemistry right? )

How do scientists think that gravity affected the formation of our solar system?

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

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa