Which term identifies a form of energy ? 1- combustion 2-exothermic 3-thermal 4-electrolytic

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?

How many moles of gas are present if p=11 atm, v=12l, t=185k?

In 2002, the rare earth elements mine in mountain pass, california was closed because