Which of the following chemical formulas contain the same amount of oxygen atoms?
I. CaMg(CO3)2
II. Cu3(OH)2(CO3)2
III. Na2co3
IV. C6H12O6
V. Fe(SO3)3

Refer to the chemical formulas above.*

A. I, II, and III

B. II, IV, and V

C. I and IV

D. I and V

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

Amixture with the same composition throughout is!

Which scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules