Agas sample has an initial pressure of 547 mmhg and initial volume of 0.500 l. pressure (in atm) when the volume of the sample is decreased to 225 ml?

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?

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.