A solution Initially has [NH3] = 0.100 M and [NH4+] = 0.0500 M. Calculate the pH of the solution after it reaches equilibrium.

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?

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene