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Diffstat (limited to '3685/CH10/EX10.9/Ex10_9.sce')
| -rw-r--r-- | 3685/CH10/EX10.9/Ex10_9.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3685/CH10/EX10.9/Ex10_9.sce b/3685/CH10/EX10.9/Ex10_9.sce new file mode 100644 index 000000000..614421677 --- /dev/null +++ b/3685/CH10/EX10.9/Ex10_9.sce @@ -0,0 +1,17 @@ +clc
+mo = 2 // mass of oxygen in kg
+mn = 6 // mass of nitrogen in kg
+muo = 32 // molecular mass of oxygen
+mun = 28 // molecular mass of nitrogen
+o = mo/muo // mass fraction of oxygen
+n = mn/mun // mass fraction of nitrogen
+xo = o/(n+o) // mole fraction of oxygen
+xn = n/(n+o) // mole fraction of nitrogen
+R = 8.314 // Universal gas constant
+Ro = R/muo // Gas constant for oxygen
+Rn = R/mun // Gas constant for nitrogen
+dS = -mo*Ro*log(xo)-mn*Rn*log(xn) // Increase in entropy
+
+printf("\n Example 10.9")
+printf("\n Increase in entropy is %f kJ/kg K",dS)
+//The answers vary due to round off error
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