In a candy factory, the nutty chocolate bars contain 25.0 % pecans by mass. if 5.0 kg of pecans were used for candy last tuesday, how many pounds of nutty chocolate bars were made?

The first element on the periodic table of elements is carbon. a. true b. false

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from