The properties of a substance can be observed only when it undergoes a change to become an entirely different kind of substance with different properties. Enter the answer​

Consider the point on the plot where 10.0 g of naoh have been added. what amount of naoh, in moles, has been added? 0.308 mol fecl3 initially present

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)