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+clc();
+clear;
+
+// To determine the specific heat of air
+
+p = 14.7; // Pressure in psi.
+Tb = 68; // Dry bulb temperature in F
+Tw = 50; // Wet bulb temperature in F
+
+// In the enthalpy-specific heat diagram, the isotherm 50F in the supersaturated region must be extended until it intersects the isotherm 68F.
+// The point of intersection gives the state of moist air and its specific heat capacity can be read
+s = 0.0037; // Specific heat capacity
+
+printf("Tne specific humidity of air is %.4f lb of water per pound of dry air",s);