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diff --git a/632/CH6/EX6.3/example6_3.sce b/632/CH6/EX6.3/example6_3.sce
new file mode 100755
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+++ b/632/CH6/EX6.3/example6_3.sce
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+//clc()
+P1s = 194.9;//kPa
+P2s = 8.52;//kPa
+T1 = 353;//K
+T2 = 273;//K
+T3 = 300;//K
+Pair = 101.3;//kPa
+//log (P2s/P1s) = J * (1/T1 - 1/T2) / R
+//let J / R = L
+L = log (P2s/P1s)/(1/T1 - 1/T2);
+P3s = P1s * exp(L * (1/T1 - 1/T3)) ;
+Ptotal = P3s + Pair;//at saturation vapour pressure = partial pressure
+disp("kPa",Ptotal,"(a)Final pressure of the mixture = ")
+MP = P3s * 100 / Ptotal;
+// mole percent = moles of acetone * 100 / total moles
+//= Partial pressure of acetone * 100 / total Pressure
+disp("%",MP,"(b)Mole percent of acetone in the final mixture = ")
+\ No newline at end of file