PV ^ n = constant using pv = N* R * T we get P ^ 1-n * T ^ n = contant T1= 150 T1= 293 P2= 600 T2 = 393 k P1/P2 = (T2/T1 ) ^ n/1-n 1/4 = ( 1.34)^ n/1-n taking log on both side log( 1/4) = n/1-n * ( log (1.34) n/1-n =-4.736 n= 1.267 Solution PV ^ n = constant using pv = N* R * T we get P ^ 1-n * T ^ n = contant T1= 150 T1= 293 P2= 600 T2 = 393 k P1/P2 = (T2/T1 ) ^ n/1-n 1/4 = ( 1.34)^ n/1-n taking log on both side log( 1/4) = n/1-n * ( log (1.34) n/1-n =-4.736 n= 1.267.