Acylinder is filled with 10.0l of gas and a piston is put into it. the initial pressure of the gas is measured to be 96.0kpa. the piston is now pulled up, expanding the gas, until the gas has a final volume of 45.0l. calculate the final pressure of the gas. be sure your answer has the correct number of significant digits.

You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices