Hii pls help me to balance the equation thanksss​

Describe the interaction that occurs between two objects with the same electrical charge.

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.