Calculate the mass of water produced when 7.94 g of methane, ch4, reacts with an excess of oxygen in a combustion reaction?

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

Is powdered sports drink ionic or covalent ? 10pts !

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.