How much heat is required to vaporize 2.31 mol of methane, CH4, at its boiling point? The heat of vaporization of methane at its boiling point is 8.90 kJ/mol.

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.