diff options
Diffstat (limited to '2243/CH8/EX8.9/Ex8_9.sce')
| -rwxr-xr-x | 2243/CH8/EX8.9/Ex8_9.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/2243/CH8/EX8.9/Ex8_9.sce b/2243/CH8/EX8.9/Ex8_9.sce new file mode 100755 index 000000000..dcc543ae3 --- /dev/null +++ b/2243/CH8/EX8.9/Ex8_9.sce @@ -0,0 +1,18 @@ +clc();
+clear;
+//Given :
+Na = 6.023*10^23 ; // Avogadro constant in atoms/mole
+LE = 200 ; // liberated energy in MeV
+mm = 235; // molar mass of U 235 in gm/mole
+// 1 eV = 1.6*10^-19 J , 1 MeV = 1.0*10^6 eV
+RE = (Na*LE*1.6*10^-19*10^6)/mm ; //released energy in J
+// 1 cal = 4.187 J
+EC = RE/4.187 ; // energy in cal
+//Burning 1 kg of coal releases 7000 K cal of energy
+Q1 = EC/(7000*10^3); // Quantity of Coal in Kg
+//Exploding 1 kg of TNT releases 1000 cal of energy
+Q2 = EC/1000; // Quantity of TNT in kg
+printf("Energy released : %.0f x 10^10 cal \n",EC*10^-10);
+printf(" %.1f tonnes of Coal\n",Q1*10^-3);
+printf(" %.0f tonnes of TNT\n",Q2*10^-3);
+// Results obtained differ from those in textbook , because approximate values were considered in textbook.
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