Consider 100 g of aluminum (p = 2700 kg/m^3) and 100 g of lead(p = 11,300 kg/m^3). a. Which as a greater volume? Show why this istrue mathematically. b. Which contains a larger number of moles?Show why this is true mathematically. c. Which contains more atoms?Show why this is true mathematically.
A 685-liter oxygen tank contains oxygen gas at 20℃ . When thetank is full, the pressure gauge reads 3000 psi. a. How many oxygenmolecules are in the cylinder? b. What is the number density of theoxygen? c. How much does the oxygen in the tank weigh?
