How many grams of HCI needed to react with excess MnCl2 in order to produce exactly 79.36 liters of chlorine Cl2 gas.

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?

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

Chemistry worksheet - i am not sure what they are asking for exactly?