What is the ionic charge for c, si, ge, sn and pb?

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

In which phase(s) do the molecules take the shape of the container?

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?