A ball is at rest at a height of 10 feet from Earth before it begins to fall to the ground. Order the following positions of the ball’s fall to Earth, from the greatest to the least amount of potential energy.

What reaction is taking place? 02 + c3h8 = h20 + co2

What is the molar mass of a gas that has density of 2.054 g/l

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.