Consider the reaction 4FeS2 + 11O2 → 2Fe2O3 + 8SO2. If 8 moles of FeS2 react with 15 moles of O2, what is the limiting reactant? (3 points) Select one:

a. FeS2

b. Fe2O3

c. O2

d. SO2

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

How are isotopes of the same chemical element alike? how are they different?

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.