W In your own words, what does the law of
conservation of energy tell us? Hint: It is
VERY similar to the law of conservation
of matter (we studied that in the first
semester).

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound