3 a.
c.
13. What is the chemical equilibrium expression for the equation
2A2B + 3CD = A4D+ C3B2?
6[A, B][CD]
(A, B)'[CD]
[A, D][C, B,]
[A, D][C, B,]
[A, D][C, B2]
[A, D][C, B,]
b.
d.
6[A, B][CD]
[A, B]”[CD]

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering