Find the (H+) and (OH-] for the following pH or POH.
a. pH = 1.3
b. pH = 2.8
C. pH = 8.9
d. pH = 12.3
e. pOH = 1.8
pOH = 5
g. pOH = 6.5
h. pOH = 10.7

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter