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diff --git a/1427/CH2/EX2.14/2_14.sce b/1427/CH2/EX2.14/2_14.sce
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+//ques-2.14
+//Calculating amount of minimum air required for combustion
+clc
+C=80;//Percentage of Carbon in coal
+H=5;//Percentage of Hydrogen in coal
+O=1;//Percentage of Oxygen in coal
+m=1;//Mass of coal taken(in kg)
+m1=(C/100)*m;//Mass of carbon in coal (in kg)
+m2=(H/100)*m;//Mass of hydrogen in coal (in kg)
+m3=(O/100)*m;//Mass of oxygen in coal (in kg)
+W=(m1*(32/12)+m2*(16/2)-m3)*(100/23);//Mass of air (in kg)
+printf("The amount of air required for combustion of coal sample is %.3f kg.",W);