Identify whether each element is a halogen, a noble gas, or nonmetal only
Astatine (At):
Nitrogen (N)
Krypton (Kr)
Chlorine (CI): nonmetal only
Sulfur (S): nonmetal only

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 will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?

Heat is the total potential energy of a substance that can be transferred. true false