A sample of hydrogen gas is contained in a balloon. the volume of the ballon is 2.15 L at 288K. the temperature is changed until the volume if the balloon is 3.25L. what is the new temperature of the gas in absolute temperature A. 162k
B. 435k
C. 848K
D. 1121k

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