This is mah hamster and So umm I wish hamsters sleep in the night and wake up in da morning :(

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 atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2