Using the ideal gas law, find the number of moles of Argon gas in a 5L tank at 20C and 3160kPa of internal pressure. R = 8.314 (kPa xL / (Kx mol))

O 3 mol
O 4.1 mol
O 6.5 mol
O 20 mol
O 2436 mol

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?

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?

How many moles are contained in 5.6 l of h2 at stp