Stoichiometry is the branch of chemistry that deals with elements in compounds and with reactants and products in chemical reactions,
focusing on.
a. bonding
b. energy transfers
c. mass relationships
d. physical characteristics

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

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.

Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green