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Diffstat (limited to '3856/CH21/EX21.3/Ex21_3.sce')
| -rw-r--r-- | 3856/CH21/EX21.3/Ex21_3.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/3856/CH21/EX21.3/Ex21_3.sce b/3856/CH21/EX21.3/Ex21_3.sce new file mode 100644 index 000000000..7313e3d31 --- /dev/null +++ b/3856/CH21/EX21.3/Ex21_3.sce @@ -0,0 +1,19 @@ +//Estimate the Diffusion Coeffcient of a spherical molucule
+
+//Example 21.3
+
+clc;
+
+clear;
+
+KB=1.381*10^-23; //Boltzmann's constant in J K^-1
+
+T=300; //Temperature in K
+
+eta=0.00101; //Viscosity of the solvent in N s m^-2
+
+r=1.5*10^-10; //Radius of molucule in m
+
+D=(KB*T)/(6*%pi*eta*r); //Diffusion cofficient of a molucule in m^2 s^-1 (1 J N^-1 m s^-1=1 m^2 s^-1)
+
+printf("Diffusion coeffcient of a spherical molucule = %.1f*10^-9 m^2 s^-1",D*10^9);
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