Which substance is an arrhenius acid?
(1) lif(aq) (3) mg(oh)2(aq)
(2) hbr(aq) (4) ch3cho

Option (2) is the correct answer.

Explanation:

Arrhenius acid are the species that donate a ion or proton.

For example,

Whereas LiF, , and are the substances which do not give a proton upon dissociation. Hence, they are not Arrhenius acids.

Therefore, we can conclude that substance is an Arrhenius acid.

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.