During a phase change, the temperature of a substance
a. increases
b. decreases
c. remains constant
d. may increase or decrease

What is the mass of 4 molecules of co2

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.

Nan element’s square on the periodic table, the number with the greatest numerical value represents the