1. An irregular shaped stone was lowered into a graduated cylinder holding a volume of water equal to 20.0mL. The height of the water rose to 32.5mL. If the
mass of the stone was 15.og, what was its density?

Embryos of different species look very similar, which shows that the organisms share a ancestor.

What stress will shift the following equilibrium system to the left? n2(g) + 3h2(g) ⇌ 2nh3(g) adding more n2(g) adding more nh3(g) increasing the pressure of the system reducing the volume of the container

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.