What is the ph of a 0.20 m solution of nh4cl? [kb(nh3) = 1.8 x 10^-5]

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

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

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma