What do these two changes have in common? mixing sand and gravel
dry ice sublimating and becoming a gas

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.

No copying 15 pts how does a free-body diagram tell you about the net force on an object?

How many moles of oxygen gas are produced from the decomposition of six moles of potassium