Why is stepping on a can considered a physical change?

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11

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.