What is the secondmost abundant element in the universe?
a. h
b. c
c. fe
d. he

Compare the equilibrium constants for the systems shown in the table. which favors products the most? which favors products the least? rank these systems in order from most to least in terms of favoring products rather than reactants. d > b > a > c c > a > b > d b > c > d > a a > d > c > b

How many moles of al3+ ions are in 1.25 moles of al2o3

What causes most sediment to wash or fall into a river