In a reaction H2 + O2 → H2O, the oxidation number for O2 is?

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

How would you reduce the volume of gas

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.