Explain why it was used for the extraction of fat from the crackers of ligroin

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.