If I have 0.044 mol Ammonia (NH3) molecules, how many atoms of hydrogen do I have?

What are the percent by mass of copper in penny lab

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?

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass