diff options
Diffstat (limited to '1427/CH25/EX25.25/25_25.sce')
| -rw-r--r-- | 1427/CH25/EX25.25/25_25.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/1427/CH25/EX25.25/25_25.sce b/1427/CH25/EX25.25/25_25.sce new file mode 100644 index 000000000..38feebb4c --- /dev/null +++ b/1427/CH25/EX25.25/25_25.sce @@ -0,0 +1,15 @@ +//ques-25.25
+//Calculating number of collisions for each molecule and total number of collisions in 1kL in one second and mean free path for a Nitrogen molecule
+clc
+P=1;//pressure (in atm)
+T=298;//temperature (in K)
+dia=3.74*10^-10;//collision diameter (in m)
+N_V=(6.023*10^23*P)/(T*0.0821/1000);
+Cavg=sqrt((8*8.314*T)/(%pi*28/1000));//average speed
+//Number of collisions per second
+z1=sqrt(2)*%pi*Cavg*N_V*dia^2;
+//Total number of collisions per unit volume per second
+z2=(1/2)*N_V*z1;
+//Mean free path
+mfp=1/(sqrt(2)*%pi*N_V*dia^2);
+printf("The Number of collisions per second are %.2f*10^9, Total number of collisions per unit volume per second are %.2f*10^34 and mean free path is %.3f*10^-8 m.",z1*10^-9,z2*10^-34,mfp*10^8);
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