Draw the organic product(s) formed upon the addition of HBr to (a) 2-methyl-2-pentene, (b) trans-2-hexene, and (c) 4-methylcyclohexene. How many regioisomers can be formed in each case?

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?

Give the orbital configuration of the phosphorus (p) atom.

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius