Calculate the % yield if the amount of alum obtained was 18.28 g and the expected amount was 19.93 g.

Why are people not able to skip a dive to the deepest part of the ocean

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

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.