What is the poh of an aqueous solution at 25.0 °c that contains 1.35 × 10-8 m hydroxide ion?

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

Which actions would increase the rate at salt dissolves in water? stir the water? crush the salt? use less water? heat the water? cool the salt

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?