A rigid steel cylinder with a volume of 20.0 L is filled with nitrogen gas to a final pressure of 200.0 atm at 27ºC. How many moles of nitrogen gas does the cylinder contain?

Answer 1

Hello, Nila,

I just answered a similar question for you, so plese refer to that answer for details on the ideal gas law and the selection of R, the gas constant. Remember to covert C to K by adding 273.15 to the C temperature. Enter the data and solve for n, the number of moles. That should provide an answer of 162.4 moles, or 162 moles with 3 sig figs.

Bob