Rank the following compounds from strongest base (top) to weakest base (bottom). a. Aniline
b. Ammonia
c. Diethylamine
d. Urea

What is the chemical formula of the following compound

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?