Which of the following correctly defines the compressibility factor for a real gas?

CHEMISTRY · Single correct · AP · Chemistry · Properties of Substances and Mixtures · Properties of Substances and Mixtures

Problem

Which of the following correctly defines the compressibility factor ZZ for a real gas? (a) Z=nRTPVZ=\dfrac{nRT}{PV} (b) Z=PV−nRTnRTZ=\dfrac{PV-nRT}{nRT} (c) Z=PVnRTZ=\dfrac{PV}{nRT} (d) Z=PVnRT−1Z=\dfrac{PV}{nRT}-1

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