When a diprotic acid is titrated with a strong base, and the Ka1 and Ka2 are significantly different, then the pH vs. volume plot of the titration will have A. two equivalence points below

B. no equivalence point

C. one equivalence point

D. a pH of 7 at the equivalence point

E. two distinct equivalence points.

Which statement justifies that phosphine (ph3) is a polar molecule?

In which phase(s) do the molecules take the shape of the container?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.