In a laboratory 1.555g of an organic compound containing carbon hydrogen and oxygen is combusted for analysis. Combustion resulted in 1.45g of CO2 and 0.890g of steam. What is the empirical formula of the organic compound?

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.