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diff --git a/1571/CH8/EX8.11/Chapter8_Example11.sce b/1571/CH8/EX8.11/Chapter8_Example11.sce
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+clc
+clear
+
+//INPUT
+p=76*13.6*981;//pressure of air in dynes/sq.cm
+v=11100;//volume expanded in ml
+t1=273;//inital temperature in K
+t2=274;//final temperature in K
+cv=2.411;//specific heat at constant volume in cal/K
+j=4.2*10^7;//joules constant in ergs/cal
+//CALCULATIONS
+w=p*v*log(t2/t1);//work done in ergs
+h=cv*(t2-t1)+w/j;//heat supplied in cal
+
+//OUTPUT
+mprintf('the work done is %3.2f erg \n the heat supplied is %3.3f cal',w,h)