Name and describe three of the five branches of chemistry.

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

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.

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?