As a rule, which of the following phases are NOT included in the equilibrium constant expression?
1. pure liquids II. pure solids
III. aqueous solutions
IV. gases
O III, IV
OI, IV
O II, III
O 1,11

Sex cells from female reproductive organ? 1) mitosis 2) fertilization 3) zygote 4) eggs 5) meiosis 6) sperm

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution