When do phase transitions occur in molecules? only when energy is withdrawn when energy is supplied or withdrawn only when energy is supplied when energy is neither supplied nor withdrawn

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp

What natural processes produce large quantities of co2