The molar mass of C3H8O2 (three significant figures) is .​

Who determined the nature of chemical bonds?

Match the term to its description match term definition chemical energy a) internal energy caused by vibrations of atoms and molecules electrical energy b) electromagnetic energy that travels in waves radiant energy c) the movement of an electrical charge thermal energy d) potential energy stored in the bonds between atoms

Which example is a mechanical wave?     a.microwave    b.radio wave    c.water wave    d.ultraviolet light