I need help with sci bellwork brainiest​

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

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.