What would happen if the rock sample pictured above was first exposed to energy from the sun and then millions of years later to energy from earths interior

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

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.

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.