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+//Problem 8.08:
+
+//initializing the variables:
+T1 = 100; // in deg C
+P = 101370; // in Pa
+dH100 = 2256.9; // in J/g
+T2 = 200; // in deg C
+
+//calculation:
+Tr100 = (T1 + 273)/647
+Tr200 = (T2 + 273)/647
+dH200 = dH100*((1 - Tr200)/(1 - Tr100))^0.38
+
+printf("\n\nResult\n\n")
+printf("\n the enthalpy of vaporization is %.0f J/g",dH200) \ No newline at end of file