A sample of oxygen, at 25°C, occupies a volume of 5.56 × 102 milliliters (mL) at 1.60 atm pressure. What pressure must be applied to compress the gas to a volume of 1.90 × 102 mL, with no temperature change?

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Which formula can be used to calculate the molar mass of hydrogen peroxide

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