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-rwxr-xr-x1967/CH5/EX5.4/5_4.sce13
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diff --git a/1967/CH5/EX5.4/5_4.sce b/1967/CH5/EX5.4/5_4.sce
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+clc
+//initialisation of variables
+clear
+H1= -29.6 //kcal
+H2= -530.6 //kcal
+H3= -94 //kcal
+H4= -68.3 //kcal
+//CALCULATIONS
+dH1= -(H1+H2-3*H3-4*H4)
+dH2= -dH1+3*H3+3*H4
+//RESULTS
+printf ('Heat of combustion = %.f kcal',dH1)
+printf ('\n Standard heat of formation = %.1f kcal',dH2)