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+clc
+clear
+//Input data 
+t=1;//The increase in the temperature of a piece of aluminium in degree centigrade 
+a=6*10^23;//The number of atoms present in 27 g of aluminium in atoms 
+Sp=0.22;//The specific heat of aluminium in cal/g-K 
+m=27;//The amount of aluminium in g 
+J=4.2*10^7;//The mechanical equivalent of heat in ergs/calorie 
+
+//Calculations 
+H=m*Sp*t;//Heat required to raise the temperature of 27 gms of aluminium by 1 degree centigrade in cals 
+E=m*Sp*J;//Energy gained by atoms of aluminium in ergs 
+E1=E/a;//Increase in energy per atom of aluminium in ergs 
+
+//Output 
+printf('The increase in energy per atom of aluminium is %3.4g ergs ',E1)
+