When propoane (C3H8) undergoes combustion, what are the products formed?

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.

Aphase diagram assumes is kept constant.