As a candle burns, the chemical energy stored in the wax is transformed into (1) heat and light (2) heat and magnetism (3) electricity and light (4) electricity and magnetism

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.

The identities of substances are the same before and after which type of change

Calculate the concentration of all species in a 0.165 m solution of h2co3.