The pOH of a solution with a proton concentration of 5.0 x 10-11M

Why are the trends and exceptions to the trends in ionization energy observed?

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²