For each of the following processes, list the sphere where matter begins in the process and the sphere where matter ends in the process. Oil wells burn fossil fuels.
(Not sure if this is biology or chemistry as a subject)

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

How many molecules are found in 1.32 mol of nacl?

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.