If 1 mole of hydrazine combusts into the presence of oxygen, how many molecules of water vapor are produced? A: 1.20×10^23 H2O molecules
B: 1.20×10^24 H2O molecules
C: 28g N2 molecules
D: 6.022×10^23 H2O molecules​

In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease