The measured pOH of a solution is 5.5. What is the hydrogen ion, [H+ ],
concentration?

How do forces between particles in gases compare to forces in the other states of matter? o a. the forces in gases are stronger than forces in solids but weaker than forces in liquids. o b. the forces in gases are weaker than forces in solids but stronger than forces in liquids. o c. the forces in gases are weaker than forces in solids and liquids. o d. the forces in gases are stronger than forces in solids and liquids. submit

Compare and contrast physical changes with chemical changes.

An observation that requires measurement is called quantitative observable or qualitative