Astudent is testing water to know which is best for cleansing purposes with soaps. he would find that the cleansing action of soaps is best when he uses water obtained from
a. rain
b. tap
c. hand pump
d. pond

The boiling point of propanoic acid is higher than that of 1-butanol because: propanoic acid has a higher molecular weight than 1-butanol. propanoic acid is more soluble in water than 1-butanol. propanoic acid is a better hydrogen bond donor than 1-butanol. propanoic acid forms hydrogen bonded dimers and 1-butanol does not. 1-butanol forms hydrogen bonded dimers and propanoic acid does not.

The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?