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48. Consider the phase diagram to the right80 atm(a) The substance is in phase at 400 K and 60 atm. (b) The point V is known as point. pressure(c) Region Z indicates phase.(d) The boiling point at 40 atm is The melting point at 40 atm is . (e) Which phase(s) is(are) present at point W: .10 atm 0 200 400 600K49.The vapor pressure of ethanol is 400 mmHg at 63.5°C. Its molar heat of vaporization is 39.3 kJ/mol. What is vapor pressure ofethanol, in mmHg, at 28.6°C?zVwZW
50.2.67 g of water was introduced into an evacuated 1.50 L flask at 30C. What mass of water will remain as liquid? (Vaporpressure of water at 30C is 31.82 mmHg.)VZ