The relation $C_p-C_V=R\left(C_p\right.$ and $C_V$ are the molar specific heats at constant pressure and volume) is exactly true for
  • A
    an ideal monoatomic gas
  • B
    any ideal gas, whether monoatomic, diatomic or polyatomic
  • C
    any real gas above its critical temperature
  • D
    All real gases
KVPY 2009, Medium
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