A sample of helium gas has a volume of 303 mL at 0.5 atm. What pressure is needed

to reduce the volume at constant temperature

to 52 mL?

Bose-einstein condensation occurs at what temperature?

1) this is the structure in the cell nucleus that houses a cell's genetic information

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules