If 0.10 M aqueous solutions are prepared of each of the following acids, which produces the solution with the lowest pH?Group of answer choicesbenzoic acid (HC7H5O2), Ka = 6.3 x 10–5acetic acid (HC2H3O2), Ka = 1.8 x 10–5hydrocyanic acid (HCN), Ka = 4.0 x 10–10hydrogen sulfite ion (HSO3-), Ka = 6.2 x 10–8hypobromous acid (HOBr), Ka = 2.5 x 10–9

What is a property of a double replacement reaction

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?