The volume and amount of aflium gas remains constant. Under these conditions, aflium gas has an initial pressure of
635 torr when it is at 67.0°C. What is the new temperature if
the pressure drops to 250 torr?

Which terms are used to identify pure substances

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?

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