The following sets of values for ${C_V}$ and ${C_P}$ of a gas has been reported by different students. The units are $cal/gm-mole-K.$ Which of these sets is most reliable
  • A${C_v} = 3,\,{C_p} = 5$
  • B${C_V} = 4,\,{C_P} = 6$
  • C${C_v} = 3,\,{C_p} = 2$
  • D${C_V} = 3,\,{C_P} = 4.2$
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