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Question: Which of the following formulae is wrong...

Which of the following formulae is wrong

A

CV=Rγ−1C_{V} = \frac{R}{\gamma - 1}

B

CP=γRγ−1C_{P} = \frac{\gamma R}{\gamma - 1}

C

Cp/Cv=γC_{p}/C_{v} = \gamma

D

CP−CV=2RC_{P} - C_{V} = 2R

Answer

CP−CV=2RC_{P} - C_{V} = 2R

Explanation

Solution

The difference of CPC_{P} and CVC_{V} is equal to R, not 2R.