When sodium metal is added to water, the following reaction occurs: 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g) What is the theoretical number of moles of hydrogen gas produced when 0.068 mol of sodium metal reacts?

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?

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?