Giving away all my points cause i dont ask questions just answer

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring

Calcium carbonate decomposes at high temperatures to give calcium oxide and carbon dioxide as shown below. caco3(s) cao(s) + co2(g) the kp for this reaction is 1.16 at 800°c. a 5.00 l vessel containing 10.0 g of caco3(s) was evacuated to remove the air, sealed, and then heated to 800°c. ignoring the volume occupied by the solid, what will be the mass of the solid in the vessel once equilibrium is reached?

What is the difference between skimming and absorbing methods of the oil removal