A chemist mixed two substances together: a colorless liquid with a strong smell and a white solid with no smell. The substances’ repeating groups of atoms are
shown above on the left. After they were mixed, the chemist analyzed the
results and found two substances. One ending substance had the repeating
group of atoms shown above on the right.
Is the ending substance the same substance as the colorless liquid? What
happened to the atoms of the starting substances when the ending substances
formed? Be sure to explain your answers to both of these questions.

"where are you taking me? " the car hesitated, or rather gave a faint whirring click, as if information, somewhere, was dropping card by punch- slotted card under electric eyes. "to the psychiatric center for research on regressive tendencies." he got in. the door shut with a soft thud. the police car rolled through the night avenues, flashing its dim lights ahead. which statement best describes the intended aesthetic impact of this excerpt? o a. by showing leonard obeying the police car, the author reinforces the theme of surrendering one s individuality. o b. by relating the way the car responds, the author underscores the theme of the dangers of a mechanized of society o c. by having leonard, a seemingly normal person, taken to a psychiatric center, the author injects irony, leaving the reader surprised o d. by showing leonard communicating with another person, the author satisfies his need for human contact, leaving the reader hopeful