Molecules made from units of identical compounds linked by covalent bonds are called

How can you use chemical equations to predict the products of the reaction you can carry out?

Agas is contained in a thick walled balloon when the pressure changes from 1.21 atm to 2.52 the volume changes from 3.75 l to 1.72 l and the temperature change from 293k to blank k

What does the cell nucleus do or, how does it function?