Please help with this vocabulary on redox

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?

What can be found in the ionosphere

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)