Agas in a laboratory vessel is cooled. if all the molecules of the enclosed gas cease to have any motion, what is the temperature in the vessel? a) -273 cb)-273 kc)273 cd)273 k

Ibeg i need 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?

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 carbon dioxide will form if 2.5 moles of c3h8 is burned