Chemistry

Problem

For a certain real gas at 320 K, the compressibility factor

Z

is observed to be less than 1 at 10 atm and greater than 1 at 200 atm. At which pressure is

Z

most likely to be closest to 1? a)

5\ \text{atm}

100\ \text{atm}

50\ \text{atm}

500\ \text{atm}