Iron forms rust, expressed as: fe2o3. using information from the periodic table, what is the mass of one mole of fe2o3?
a. 71.85 g
b. 143.70 g
c. 159.70 g
d. 319.40 g

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

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How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.