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simplify this r=CpCv=Cv+RCv=Rr+1+RR/r+1r = \frac{C_p}{C_v} = \frac{C_v + R}{C_v} = \frac{R}{r} + 1 + \frac{R}{R/r} + 1

Full solution

Q. simplify this r=CpCv=Cv+RCv=Rr+1+RR/r+1r = \frac{C_p}{C_v} = \frac{C_v + R}{C_v} = \frac{R}{r} + 1 + \frac{R}{R/r} + 1
  1. Simplify Compound Expression: We are given the expression r=CpCvr = \frac{C_p}{C_v} and are asked to simplify the compound expression CpCv=Cv+RCv=Rr+1+RR/r+1\frac{C_p}{C_v} = \frac{C_v + R}{C_v} = \frac{R}{r} + 1 + \frac{R}{R/r} + 1. Let's start by simplifying the right-hand side of the equation step by step.
  2. Combine Terms: First, we simplify the term Cv+RCvCv + \frac{R}{Cv}. Since CvCv is a common factor, we can combine the terms as follows:\newlineCv+RCv=Cv(1+RCv2)Cv + \frac{R}{Cv} = Cv(1 + \frac{R}{Cv^2})
  3. Substitute for rr: Next, we simplify the term Rr+1\frac{R}{r} + 1. Since r=CpCvr = \frac{C_p}{C_v}, we can substitute CpCv\frac{C_p}{C_v} for rr:Rr+1=R(CpCv)+1\frac{R}{r} + 1 = \frac{R}{(\frac{C_p}{C_v})} + 1
  4. Correct Previous Mistake: Now, we simplify the term R/R/r+1R/R/r + 1. Since r=Cp/Cvr = C_p/C_v, we can substitute Cp/CvC_p/C_v for rr: \newlineRR/CpCv+1\frac{R}{R}/\frac{C_p}{C_v} + 1
  5. Final Simplification: We notice that there is a mistake in the previous step. The term R/R/rR/R/r is not correctly simplified. We should have simplified it as follows:\newlineR/R/r+1=1/r+1R/R/r + 1 = 1/r + 1\newlineSince r=Cp/Cvr = C_p/C_v, we substitute Cp/CvC_p/C_v for rr:\newline1/r+1=1/(Cp/Cv)+11/r + 1 = 1/(C_p/C_v) + 1

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