Vapor pressure data for chlorine are given below.

a. Use these data and the Clausius–Clapeyron equation (Equation 6.1-3) to estimate the heat of vaporization of chlorine (kJ/mol) and to obtain an expression for P^*_Cl2 (T).

b. What is the operating pressure in the chlorine vaporizer (torr)?

c. At what rate (kW) must heat be added to the chlorine in the vaporizer?

What is the percentage difference between the calculated value of ΔĤ_v and the one given in Table B.1?Why might the two values differ? (Think of several possible reasons.)

Table B.1

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T(°C) - 20.0 - 10.0 0.0 10.0 20.0 30.0 40.0 60.0 80.0 100.0 p*(atm) 1.78 2.59 3.64 4.99 6.69 8.78 11.32 17.95 27.04 39.06